–Look!Someoneiscuttingatreeont

–Look! Someone is cutting a tree on the moon.
–It _______ be true, Granny. Our teacher says there is no air there.

A．can't

B．mustn't

C．may

D．should

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相关试题

—How long has this bookshop been in business?
—_______ 1982

A．After

B．In

C．From

D．Since

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—What are you doing?
I’m looking ___ the children. They should be back for lunch.

A．after

B．at

C．for

D．up

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The teacher told the class to ____ their books.

A．put away

B．put by

C．put on

D．put up

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They are going to have a crazy party ___ Christmas Eve.

A．at

B．in

C．on

D．during

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Let’s walk over ____ the sun on the other side of street.

A．in

B．to

C．under

D．by

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