Forstudentsinmountaineeringclubs,thesummervacationisag...

問題詳情：

 For students in mountaineering clubs, the summer vacation is a great time to travel far and________ new challenges.

A. take up           B. take in              C. take on                D, take over

【回答】

C

知識點：動詞

題型：選擇題