题目内容

【C7】

A. watched
B. followed
C. inspected
D. traced

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Because Jack had based his argument upon a faulty ______, his opponent cheerfully pointed

A. promise
B. prelude
C. premise
D. preface

If you dont like to play basketball, you ______ as well stay at home.

A. should
B. may
C. can
D. would

固定桥最重要的支持基础是牙龈。()

The United States discovered in 1982 that about one-fifth of its farmland ______ topsoil at a rate likely to diminish the soils productivity.

A. is losing
B. to be lose
C. was losing
D. being lost