[单项选择]Walking along the street, ______.
A. Mr. Bussman recognized his brother at the first sight
B. Mrs. Bussman thought of her long-lost brother
C. Mr. and Mrs. Bussman talked to a workman because he looked like his brother
D. Mr. Bussman happened to meet a workman and talked to him

[单项选择]While walking along the street, the policeman kept looking ______ the right, he found a car ______ the left.
A. to, on
B. to, to
C. on, on
D. on, to

[单项选择]The boys and girls are walking along the street, ______a green coat.
A. each of them has
B. they each have
C. every wears
D. each wearing

[单项选择]Mike was walking along the street ______ he ran into an old friend.
A. when
B. who
C. which
D. whom

[单项选择]Why was James walking along that path
A. He usually discovered something suspicious along that way.
B. He had an appointment with a man at Number 25, Dugby Road.
C. He chose to go that way by chance.
D. He knew he would get home quicker that way.

[单项选择]While walking along the icy river banks, we could see cracks in the ice ______ in all directions.
A. radiating
B. dividing
C. splitting
D. tearing

[单项选择]

Passage Two Look at a man walking down a street or road in’ the sunlight and you will see his shadow. If you watch two men walking in the sunlight and carrying a six-fool pane(窗玻璃片) of glass between them, you will see each man six feet apart, but there will be no shadow of the pane of glass. Shadows are easily explained since we know that light travels in a straight line. We also know that light waves pass through some bodies and not through others. When light strikes a body and passes through it unchanged, we call such a body or material transparent. Most glass is such a material, especially window glass, and it is for this reason that we do not see the shadow of the window pane which the men are carrying. Do you know of any other transparent materials The most common one, with which we are familiar, is air. Another is clear water. On the other hand, some materials do not let light pass through them at all. They stop the light waves just as you would-catch a ball th
A. a short story
B. a popular science reading
C. a common knowledge in routine life
D. an essay

[单项选择]Betty was walking in the street then in order ____________.

[单项选择]Yesterday when I was walking on the street, I __________ to see an old friend of mine.
A. managed
B. happened
C. settled
D. occurred