It _____ outside. I have to stay at home.
A. rain
B. is raining
C. rained
D. has rained
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You ______ first and I ______ behind.
A. go; was following
B. will go; follow
C. will go; followed
D. go; will follow
An MP5 player of this type costs too much. You’d better ______
A. wait
B. waiting
C. waited
D. to wait
Many a student ______ the importance of learning a foreign language.
A. have realized
B. has realized
C. have been realized
D. has been realized
The gas works____ near the city now.
A. is
B. are
C. was
D. were
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