单项选择题

After ______ their enquiry, we sent them a quotation.

A. receive
B. received
C. receiving



D. receives
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单项选择题
When send your quotation sheet, please ______ send sample of the quote goods.
A. not forget



B. do not forget
C. do not forget to



D. forget not to
单项选择题
Later they discovered, （） was news to him, that Pamela was the headmaster's daughter.

A. that
B. which
C. what
D. who
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