Sugar is not an important element in bread , but flour is .A．uniqueB．essen

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Sugar is not an important element in bread , but flour is .

A．unique

B．essential

C．natural

D．adequate

答案

解析

略

举一反三

The building is _____.

A．twenty-metre-high	B．twenty metre high
C．twenty-metres-high	D．twenty metres high

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This kind of paper was as soft and light as silk but ______ expensive.

A．much less

B．much little

C．many less

D．much more than

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Reading without stop is a ______ piece of work.

A．tire

B．tired

C．tiresome

D．troubled

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——How much is it ______? ——$ 20, I think.

A．spent

B．cost

C．worth

D．taken

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——You look so worn-out!——I lay ________ all the night.

A．woke

B．awake

C．slept

D．asleep

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