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英语问题,英语高手来1.A:Hello,you look tired today.B:Yes,I slept too l

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英语问题,英语高手来
1.
A:Hello,you look tired today.
B:Yes,I slept too late yesterday evening.I ___ my homework and forgot the time. 我选 did 答案 was doing
2.
Jane won't sell the old house until she ____ a new one next year.
我选 have bought 答案 buys
3.
Never before ___animals like cats.
我选 has the king seen 答案 had the king seen
英语问题,英语高手来1.A:Hello,you look tired today.B:Yes,I slept too l
1.用did不能体现出正在进行的状态,所以用was doing
2.首先,Jane是三单,要用has,其次这句是主将从现,从句用一般现在时buys
3.这题有问题?