—Mom,myclassmatesareplayingoutside.CanIjointhem?   —Not...

問題詳情：

—Mom, my classmates are playing outside. Can I join them?    —Not until your homework____________.

   A. finishes               B. is finished          C. finished               D. was finished

【回答】

B

知識點：動詞語態

題型：選擇題