题目内容

We regret ______ unable to agree to the buyer's request as stated in the L/C stipulations for insurance to becovered up to the inland city.

A. to be
B. being
C. to have been
D. been

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She ______（watch） TV every evening.

（）Where's the bag？

A. It's in the car
B. They are here
C. There are
D. Here are

What's that man（）

A. He's my brother
B. Yes，he is
C. She's a teacher
D. He's a teacher

We thank you _____ for you cooperation.

A. in advance
B. in beforehand
C. in progress
D. in proceed