She _______ to God for an end to her sufferings.
A. pray
B. prayed
C. is prayed
D. will prayed
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The ____________ station is nearing completion.
A. hydro electric
B. hydroelectric
C. hydro-electric
D. hydroelectrical
The ruling party was facing an identity ________ .
A. crises
B. crisis
C. crisisis
D. crisises
We provide help to families _____________ situations.
A. about crisis
B. of crisis
C. on crisis
D. in crisis
集成运放的线性区存在( )现象。
A. 虚短
B. 虚断
C. 虚断和虚短
D. 失真