thelightsafterclassA的精选

问题详情：Jack’steacheraskedhimthelightsafterclass.A.turningoff B.turnedoff  C.toturnoff【回答】C。考查动词不定式的用法。ask后常跟动词不定式作宾语补足语,即asksb.todosth.。故选C。知识点：动词和动词短语...