— Sorry, I have to ________ now. It’s time for class.
— OK, I’ll call back later.
A．hang upB．hang onC．hold onD．hold up
A
動詞詞義辨析題。A. hang up“掛斷電話”B. hang on“等待“”C. hold on“不掛斷”D. hold up“舉起”根據(jù)句意“不得不掛斷電話該上課了”所以選A。
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