Paper _____ the fibres of plants for many years. A．has been made from B．have bee

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Paper _____ the fibres of plants for many years.

A．has been made from	B．have been made out of	C．has made up of
D．have been made into

答案

解析

略

举一反三

We have done things we ought not to have done and_____ undone things we ought to have done.

A．left

B．leave

C．will leave

D．leaving

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—How much of the foreign expert’s speech have you understood?
—Next to nothing. I wish I _______ harder at English.

A．worked

B．had worked

C．would work

D．were working

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—Where have you been all day?
—I _______ some former classmates and I couldn’t get back until it was dark.

A．have met

B．met

C．would meet

D．had met

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—Now the weight. Only 115. You’d better put on a few pounds.
—Well, actually, I ________ like a horse.

A．ate

B．was eating

C．have been eating

D．will eat

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Mr. Keller ______ forty cigarettes a day until he gave it up.

A．had smoked

B．smokes

C．have smoked

D．smoked

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