She can't watch TV ________ she finishes her homework.

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She can't watch TV ________ she finishes her homework.
A.after
B.until
C.as
D.when

答案B
解析：not…until是固定搭配.not一般修饰终止性动词,它表示的动作直到until所表示的时间才发生(B动作一发生,A动作就停止).其他的词不合题意.
拓展延伸：until用于肯定句时,主句的动作一般是延续性的.它表示的动作一直延续到until所表示的时间为止.如：I waited for him until it was getting dark.(我一直等到天黑他才回来.)

She always finishes her homework on time. She ________ leave Marie didn't watch TV yesterday.She did her homework.改为同义句 ( )she finishes her homework,her parents would not take her 1.She ( )the guitar until she finishes her homework. Lisa can go to bed after she finishes her homework.（改为同意句） Jenny can watch and play because she -------all her homework she can watch TV和her can watch TV哪个对? she always finishes her homework before supper改为一般疑问句 She always finishes her homework on time.She____leaves it fo She always finishes her homework.She__leaves it for tomorrow -Catherine always finishes her homework on time.-Right.She i she won;t leave until she finishes her house work