The meaning is still obscure.

The meaning is still obscure.A.transparent B.vague C.alien D.significant

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I rarely play basketball.

I rarely play basketball.A.normally B.seldom C.frequently D.usually

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What is this passage mainly concerned with?

What is this passage mainly concerned with?A.Many adverts can be read literally.

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The ice is not thick enough to bear the weigh of a tank.

The ice is not thick enough to bear the weigh of a tank.A.suffer B.accept C.rece

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A new construction beam invented by Toll weighs like________

A new construction beam invented by Toll weighs like__________A.a nearly 40-degr

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