The Internet is__________ used by people to search for information.
A.widely B.luckily C.specially D.carefully
—Is the man in blue under the tree Mr. Green?
—No. It_________ be Mr. Green. He has gone to Shanghai.
A.must B.can’t C.might D.could
I was doing my homework_______ my sister was watching TV at eight last night.
A.after B.when C.before D.while
—It's hot today, isn't it?
—Yes, I can't stand hot weather, but it will be even________ tomorrow.
A.hot B.cold C.hotter D.colder
—How often do you_________ English to practice your pronunciation?
—Every day.
A.read B.watch C.look D.see
The boy has been missing for three days and his parents are worried about his________.
A.safety B.activity C.decision D.choice
