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單項(xiàng)選擇題

Under no（）should we surrender to our enemies.

A.circumstances
B.environment
C.situation
D.condition

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單項(xiàng)選擇題

When facing difficulties and obstacles,we should never act in a（）way.

A.constructive
B.positive
C.negative
D.active

多項(xiàng)選擇題

I have been to many countries.but I have never seen a building with such a（）design.

A.strange
B.special
C.unique
D.particular

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