Amy has no idea_________her summer holidays.
A. what she should spend B. when should she spend
C. where she should spend D. how should she spend
Unluckily, Mr Brown drove so_________that his car crashed into a tree yesterday evening.
A. careless B. careful C. carefully D. carelessly
Most of my friends like driving or riding to work, _________I like walking.
A. and B. so C. but D. or
It is important_________us students to make a plan_________our studies before a new term starts.
A. for; for B. of; for C. to; of D. with; on
After eight hours' hard work, the firemen finally_________the forest fire.
A. put away B. put out C. put down D. put in
It 's our duty to_________people_________too many trees.
A. stop; cutting down B. prevent, to cut down
C. keep; cutting down D. make; cut down
