单项选择题

()requested, we are enclosing a quotation sheet()our silk garments.

A、As⋯about
B、At⋯about
C、At⋯for
D、As⋯for

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单项选择题

While appreciating good quality of your products, we are sorry to say that your price appears to be ().

A、in the high level
B、at the high end
C、of the high standard
D、on the high side

单项选择题

We give you on the attached full details()packing and marking.

A、regarded
B、regarding
C、be regarded
D、regard