________important computers are to everybody in a modern city!
A.What B.How
C.What an D.How an
He didn’t tell us_________.
A.if he will give us a lecture
B.whether he would go with you
C.when he was started
D.when he will arrive
We’ll make laws______ our environment.
A.protected B.protecting
C.to protect D.protect
What are you going to do when you finish ______the room?
A.to clean B.cleaning
C.clean D.cleaned
My cousin was born in China, but ____in Australia.
A.picked up B.gave up
C.grew up D.took up
Some questions _______at their class meeting last week.
A.raised B.rose
C.were risen D.were raised
