— Is John coming by train?— He should, but he ______ not. He likes driving his car.
__________ the text a second time，the meaning will become clearer to you.
Information technology is taught in most schools，__________we have entered the information society.
Scientists say it may be five or six years __________it is possible to test this medicine on human patients.
Parents should take seriously their children’s requests for sunglasses __________.
—Shall we meet tonight? —Sorry,I’m busy.How about_________day?
— Is John coming by train?— He should, but he ______ not. He likes driving his car.— Is John coming by train?— He should, but he ______ not. He likes driving his car.
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