Going abroad to study requires a big adjustment and it usually takes a while to ．A. calm d

问题补充：

Going abroad to study requires a big adjustment and it usually takes a while to ．

A. calm down

B. fit iri

C. keep up

D. cheer up

答案：

A. calm down

(答案→)B. fit iri

C. keep up

D. cheer up

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