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—Well, __________ we are here, why not give it a try?

A.thoughB.unlessC.sinceD.whenever

It’s never too late to_____a new hobby.

Teenagers should learn how to _____of themselves.

A.choiceB.chanceC.challengeD.check

I’m afraid I can’t_____you.

—No, he ________ senior high school for three weeks.

A.has leftB.has been toC.has been inD.has gone to

—No, it ________ be her. She has gone to Shanghai.

A.can’tB.couldn’tC.may notD.might not

— taking notes, doing exercises and reading a lot.

A.WithB.ByC.InD.On

— I my homework.

A.doB.didC.was doingD.am doing

A.visitB.visitedC.will visitD.have visited