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單項(xiàng)選擇題

He who wants to succeed must（）difficulties and bitterness first.

A.undertake
B.understand
C.undergo
D.underline

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單項(xiàng)選擇題

The children（）at the sound of the terrorists' guns.

A.panicked
B.pained
C.picnicked
D.pitied

單項(xiàng)選擇題

He didn't place much（）on his friends' suggestions.

A.attention
B.weight
C.value
D.importance