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—Where is our English teacher, Lucy?

—I’m not sure. She __________ be on the playground playing basketball.

A.must B.need C.can D.may

Some students of Class Five __________ the project by the end of last year.

A.had finished B.have finished

C.will finish D.finished

Is a human brain a __________ powerful calculator __________ a computer?

A.much; as B.more; a C.much; than D.more; than

They must have known each other for a long time, __________?

A.have they B.aren’t they C.don’t they D.haven’t they

He did __________ after he finished his homework, so he was late for bed.

A.nothing else B.else nothing C.anything else D.something else

The thief __________ into the company’s office and ________lots of things last night.

A.breaks; steals B.broke; stole C.was breaking; stole D.broke; was stealing

When got to Linda’s home, I saw her daughter __________ her operate the new washing machine.

A.to help B.helped C.helping D.helps

__________ great progress you have made this term！ We must learn from you.

A.What B.What a C.What an D.How

A strong wind __________ when we arrived in Sydney.

A.is blowing B.was blowing C.blow D.has blown

The climate is getting warmer. Maybe it’s natural, __________ maybe it’s caused by us.

A.or B.but C.so D.for