单项选择题

If I hadn't stood under the ladder to catch you when you fell, you ______ now.

A．wouldn't be smiling
B．couldn't have smiled
C．won't smile
D．didn't smile
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单项选择题
Without proper lessons, you could______ a lot of bad habits when playing the piano.
A．keep up
B．pick up
C．draw up
D．catch up
单项选择题
Wouldn't you rather your child ______ to bed early
A．go
B．went
C．would go
D．goes
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