问题
选择题
When ______questions in class，one should answer them as clearly as possible．
A．asking
B．to ask
C．to be asked
D．asked
答案
答案：D
考查非谓语动词。Ask和它的逻辑主语one之间是动宾关系，所以用过去分词表被动，且表示一般的情况，选D。
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When ______questions in class，one should answer them as clearly as possible．
A．asking
B．to ask
C．to be asked
D．asked
答案：D
考查非谓语动词。Ask和它的逻辑主语one之间是动宾关系，所以用过去分词表被动，且表示一般的情况，选D。