Do you often work late _____ night.
A.at |
B.in |
C.for |
D.during |
Life will be better _____ the 21st century.
A.at |
B.on |
C.for |
D.in |
We had built three bridges over the river _______ the end of 1994.
A.at |
B.on |
C.for |
D.by |
Could you come to my office ________ the day after tomorrow.
A./ |
B.on |
C.in |
D.at |
Every day the old man takes these children home _____ school.
A.at |
B.to |
C.from |
D.after |
Tom and Paul usually watch TV ______ weekends.
A.at |
B.in |
C.for |
D./ |