[单项选择]When can I go to see her a. On weekends. b. Whenever I want. c. Anytime except weekends. d. When she wants to see me.

[单项选择]When can I go to see her
A. On weekends.
B. Whenever I want.
C. Anytime except weekends.
D. When she wants to see me.

[填空题]When can a student see tile professor in her office

[填空题]When can you probably go to a bar in the sports center On______.

[单项选择]When can the woman get her photos
A. Early in the morning.
B. At lunch time.
C. In the evenin

[填空题]Why did Miss Green go to see her doctor

[单项选择]When can the woman get her watch （）
A. A．At 9 M.
B. B．At 9 P.
C. C．At 2 M.
D. D．At 12 P.

[单项选择]
When can the woman see the new book

[单项选择]How often does the woman go home to see her patents
A. Four times a year.
B. Twice a year.
C. Once a year.

[填空题]Grace can only go back home to see her parents on holidays. It is ______ that Grace could go back home and see her parents.

[单项选择]When we can see well, we don’t think about our eyes very’ often. It is only when we cannot see perfectly that we come to see how important our eyes ale.
People who are nearsighted can only see things that are very close to their eyes. Many people who do a lot of close work, such as writing, reading and sewing, become nearsighted. Then they have to wear glasses in order to see distant things clearly.
People who are farsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty reading a book unless they hold it at arm’s length. If they want to do much reading, they must get glasses too.
Other people don’t see clearly because their eyes are not exactly the right shape. This, too, can be corrected by glasses. Some people’s eyes become cloudy because of cataracts (白内障). Long age these people often became blind. Now, however, it is possible to operate on the cataracts and remove them.
When night falls, colors become fain
A. we are sick
B. we can’t see clearly
C. we wear glasses
D. we burst into tears

[单项选择]

When we can see well, we don’t think about our eyes very’ often. It is only when we cannot see perfectly that we come to see how important our eyes ale.
People who are nearsighted can only see things that are very close to their eyes. Many people who do a lot of close work, such as writing, reading and sewing, become nearsighted. Then they have to wear glasses in order to see distant things clearly.
People who are farsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty reading a book unless they hold it at arm’s length. If they want to do much reading, they must get glasses too.
Other people don’t see clearly because their eyes are not exactly the right shape. This, too, can be corrected by glasses. Some people’s eyes become cloudy because of cataracts (白内障). Long age these people often became blind. Now, however, it is possible to operate on the cataracts and r
A. Sometimes we can not see a thing because we look directly at it.
B. Sometimes we can not see a thing because we use the sides of eyes to see it.
C. The center of the eye is more sensitive than the sides of the eye after dark.
D. The center of the eye is as sensitive as the sides of the eye in daylight.