A. on time
B. in time
C. at times
D. some time

1. We get along well ____ each other.
2. They fell ____ love with each other at first sight.
3. Please add some water ____ the soup.
4. The boy calmed ____ when he saw his mother.
5. His line is still busy so I can't get ____.
6. I don't think he hurt Tom ____ purpose.
7. Something must be done to stop some factories ____ polluting the environment.
8. According ____ the survey, half of the men in that village smoke.
9. He is ill now, so he suffers ____ a headache very much.
10. He always shows great concern ____ the workers.

A. Because of this reason
B. It is because
C. As a result of
D. For this reason

A. since
B. because of
C. because
D. as

A. at
B. in
C. on
D. over

A. for example
B. according to
C. such as
D. because of

A. It; in ruins
B. That; in ruins
C. There; in ruin
D. It; in ruin

A. Since
B. By
C. At
D. In

[     ]

A. against
B. on
C. for
D. in

A. for; in
B. with; by
C. with; for
D. of; for