单项选择题

I would never have believed it was possible if I （）it with my own eyes.

A. didn't see
B. don't see
C. won't see
D. hadn't seen

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单项选择题I am looking forward （）Mike next week.

A. to see
B. to seeing
C. seeing
D. see

单项选择题I think I must have （） my purse at home.

A. forgotten
B. missed
C. left
D. taken