It’s necessary _________ us _________ more trees in spring every year.
A. of; to plant B. for; to plant
C. of; plantingD. for; planting
In Britain, people won’t touch you or push past you if you’re _________.
A. in some ways B. in their way
C. by the wayD. in different ways
Three years has passed _________ they came to this school.
A. since B. forC. whenD. before
The house is made _________ bamboo and it is made _________ six rooms.
A. up of; of B. of; from
C. of; up ofD. from; of
—You are late again. The class _________ for five minutes.
—Sorry. There’s something wrong with my bike.
A. began B. has begun
C. was onD. has been on
Accidents are often caused by drivers who try to _________.
A. put out B. put in
C. cut outD. cut in