professor kept speaking about his new discovery in the field, only ____ occasionally to have a mouthful of tea.(单选)—5分
A dropping off
B breaking off
C putting off
D setting off

答案是:

B breaking off
出自  其他  >  河北建筑工程学院大学英语4

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本题添加时间:2023/4/3 12:59:00