单选题
The teacher warned that whoever was caught ______ during the test would be punished.
A、
cheat
B、
cheating
C、
to cheat
D、
to be cheating
【正确答案】
B
【答案解析】
catch sb. doing sth.表“撞见某人正在做某事”。catch后面不跟带不定式的复合结构。
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