题目内容

Since the premium varies with the extent of insurance, extra premium is for buyer’s account, additional risks ____ be covereD.

A. if
B. as
C. must
D. should

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We are of course ___ the period for completion of your project has already been exceedeD.

A. know it
B. aware that
C. to know of
D. be sure that

WecouldmanagetoarrangetheshipmentinAugust,subjecttoyourL/C_usnotlaterthanJuly15.

A. reaches
B. beingreached
C. reaching
D. reach

We confirm ____ accepted your counter proposal yesterday.

A. have
B. having
C. to have
D. has been

After studying our prices and our liberal terms, you will understand why we are working

A. on
B. to
C. for
D. of

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