单项选择题

(Hard) (as) he worked, (but) Mr. Brown couldn't (keep) the shop properly.

A. Hard
B. as
C. but
D. keep
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单项选择题
This ticket ______ you to a free meal in our new restaurant.
A. gives
B. grants
C. entitles(授权)
D. credits.
单项选择题
______ as it was at such a time, his work attracted much attention.
A. Being published
B. Published
C. Publishing
D. To be published
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