问题

I regret ____ my teacher’s advice, otherwise I would have succeeded in passing the exam.[ ]

A: not to take
B: not taking
C: not to have taken
D: having not taken

正确答案是：

同类题型

I don’t think the number of people _______ this happens is very large.

_______I come back before five o’clock—No, you ________. But you________ be back later than seven o’clock

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Look at the timetable.Hurry up! Flight 4026 _______ off at 18:20.

I just wonder _____ that makes him so excited.