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
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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
单项选择题
The packing must be strong enough ______ rough handling.
A. withstand
B. withstanding
C. to withstand



D. to be withstood
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