问题描述：
not until 后面用什么时态?
1.I didn't watch tv until__________(finish) my homework last weekend
2.-Shall we go to the park now?
-Not until I________(finish)my homework.
用完成时和一般式有神马区别?
1.I didn't watch tv until__________(finish) my homework last weekend
2.-Shall we go to the park now?
-Not until I________(finish)my homework.
用完成时和一般式有神马区别?
问题解答：
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