Now there’s a system _________ the waste is disposed of using the principles of ecology.
A.when B.which C.that D.where
His son is very naughty and has formed some bad habits.I think he should .
A.cure them of him B.cure him of them
C.cure them off him D.cure him off them
Mary often does some translation work to earn extra money, which half of her income.
A.makes for B.counts on C.accounts for D.consists in
The examination results suggested that I in poor health,so the doctor suggested that I more exercises to improve it.
A.was;took B.was;take C.be;took D.be;take
—Can those at the back of the classroom hear me?—No problem, sir !
A. seat B.seatingC.seated D.sit
to sunlight for too much time will do harm to your skin.
A.Exposed B.Having exposed
C.Being exposed D.After being exposed
