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單項選擇題

The consignment certainly does not match the samples（）you sent us last month.

A.these
B.---
C.what
D.when

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單項選擇題

We（）some brochures（）to illustrate the types of materials we manufacture.

A.enclose；---
B.enclose；you
C.enclose；toyou
D.enclose you；---

單項選擇題

We have made（）that we would accept D/P terms for your present order.

A.clear
B.it is clear
C.that clear
D.it clear