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單項(xiàng)選擇題

We（）the seminar sponsored by you in September last year.

A.aware
B.aware of
C.are aware of
D.are aware

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One of our clients is（）the market（）Men’s Shirts.

A.on，of
B.at，with
C.in，for
D.with，at

單項(xiàng)選擇題

We are pleased to say that we are（）to supply you（）the goods you want.

A.of a position，──
B.at a position，──
C.in a position，with
D.at a position，with