[单项选择]Don’t talk （） your father. He is doing some important work.
A. about
B. for
C. to

[填空题]Don Williams can’t talk to Dr. Smith because he

[单项选择]Why can’t Don go with Jenny [A] He has to talk with Professor Smith. [B] He has to finish a paper. [C] He has to take a math test.

[单项选择]I don’t understand ______ he should have done something like that.
A. why
B. what
C. how
D. when

[单项选择]—Where is your cousin
—He ______ Beijing. He has ______ there twice.
A. has gone to; gone
B. has gone to; been
C. has been to; gone

[多项选择]What advice will you give your friend if he wants to study in your country Please provide specific examples and details in your explanation.

[单项选择]When invited to talk about his achievements, he refused to blow his own （）and declined to speak at the meeting.
A. trumpet
B. whistle
C. bugle
D. flute

[单项选择]Your suggestion that he ______ till next week is reasonable.
A. will wait
B. wait
C. shall wait
D. waits

[单项选择]

I want to talk today about some studies. They seem to indicate that there is a startling world-wide decline in the number of amphibians, such as frogs, toads and salamanders. There’s little doubt that one reason why the number of amphibians is declining is their habitats have been destroyed when the developers fill in ponds and marshes to build houses. Amphibians can’t just move somewhere. They need water to lay their eggs in. Another problem is the growing fish industry. Another range of popular pool fish such as carp have been introduced to many lakes and ponds all over the world. Raising and selling these fish can be profitable, but the fish eat the eggs and offspring of amphibians that were already living in the lakes and ponds. Other factors could be contributing to the decline include acid rain and the spread of pesticide residues. Many pesticides that farmers added to their crops are eventually washed away by the rain and end up in ponds and other bodies of wat
A. The distribution of different species of amphibians.
B. Possible reasons for reduction in the number of amphibians.
C. The effects of environmental change on the fish industry.
D. Guidelines for the responsible use of pesticides.

[单项选择]When he listens to a talk, he likes to sit ______ .
[A]in front [B]at front [C]in front of

[填空题]Some students don’t feel comfortable when calling a teacher on the telephone if they need help.

[填空题]Some companies don’t care about website construction since consumers can not learn more about their products, their brands and services.