-----Who ______ it be that hasn’t handed it in yesterday?
------It _______ be Bob. He handed it in yesterday.
A.can; mustn’t |
B.must; can |
C.can; can’t |
D.may; mustn’t |
-----Do you know whether they talked about their work or their family?
-----As matter of fact,I couldn’t hear it clearly, as they talked in whisper.
A.the,a |
B.the,the |
C.a;a |
D.a:/ |
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
A.what |
B.which |
C.that |
D.though |
My grandfather is always thinking for others. In another word, he is always ________.
A.modest |
B.cautious |
C.considerate |
D.considerable |
Driving on the road, drivers do ______ the traffic rules, which is responsible for themselves
as well as others.
A.see |
B.watch |
C.observe |
D.notice |
—Won’t you go to the football tonight?
—________.I might stay at home watching it live on TV instead.
A.I’d rather not |
B.I’m not sure |
C.I guess so |
D.I’d love to |