They() many difficulties during their trip.
A encountered
B encouraged
C embarrassed
D endured
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铀选冶厂应尽可能多的用()来配制堆浸淋浸液。
A. 矿井水
B. 水冶工艺的萃余水、吸附尾液
C. 尾矿库水
D. 生活污水
Five people died and ten others were injured when the bus turned() .
A against
B for
C on
D over
I prefer writing a term paper to() an examination.
A take
B took
C taking
D taken
Nothing can prevent him from()abroad me for dinner at his home yesterday.
A gone
B going
C to go
D went