单项选择题

You should have your eyes tested every year in case the ______ of your spectacles need changing.

A．lenses
B．glasses
C．sights
D．crystals
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单项选择题
______ , he docs get annoyed with it sometimes.
A．Although much he likes painting
B．Much although he likes painting
C．As he likes painting much
D．Much as he likes painting
单项选择题
Unless ______ by credit card, please pay in cash.
A．pay
B．is paid
C．paying
D．paid
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