Question

—You look tired. What’s wrong with you, Wang Ming?—Last night I watched TV &...

—You look tired. What’s wrong with you, Wang Ming?—Last night I watched TV 12 o’clock. A．when B．until C．as D．while

Answer 1

B

试题分析：句意：---你看起来累了。怎么了，王明？---昨晚我看电视看到12点钟。when当……时候；until直到；as作为；while正当……时候，往往用于进行时态。根据题意，故选B。