Bytheyear2020scientistsalotofr

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更新 2022-09-03
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挑错有奖

By the year 2020 scientists _____ a lot of research on AIDS.

A．had done

B．do

C．are doing

D．will have done

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We hope that as many people as possiblejoin us for the picnic tomorrow.

A．need

B．can

C．must

D．should

题型：未知
难度：未知

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When you introduce me to Mr. Johnson, could you please sayfor me?

A．everything

B．something

C．anything

D．nothing

题型：未知
难度：未知

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—Is there any other studentwants to visit Wutai Mountain?

A．Whom

B．who

C．whose

D．which

题型：未知
难度：未知

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—The problem is very difficult. I'm afraid you can't work it out now.
—I fail this time, I will try it again.

A．Even if

B．Since

C．As if

D．Though

题型：未知
难度：未知

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Richard looked at the envelope andJenny's handwriting immediately.

A．recognized

B．found

C．realized

D．concerned

题型：未知
难度：未知

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