These questions ______ in English.
A. answer
B. must answer
C. must be answered
D. can answer
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I began to grow ______, sitting there doing nothing. (cold, coldly)
It is most important that I ______ (would, should) go home immediately.
Father ______ run fast when he was young.
A. would
B. might
C. should
D. could
急性肾衰竭电解质和酸碱平衡失调的防治,最主要是针对______
A. 代谢性酸中毒
B. 氮质血症
C. 高血磷
D. 高血钾