Our offer _ and remains good until 12:00 A.M. July 12, 2003, Beijing time.

A.opened

B.non-firm

C.invalid

D.valid

A.Our offer remain valid for two weeks.

B.Our offer is open for three weeks only.

C.Our offer remains valid for two weeks only.

D.Our firm offer is open for two weeks.

A.general enquiry

B.enquiry

C.specific offer

D.specific enquiry

A.until

B.unless

C.if

D.as

We trust that you will be able to accept our offer, which shall() against reply by cable

A、kept open

B、keep valid

C、be kept firm

D、be keeping open

Your offer is very attractive. However, the quantity offered is ()satisfy our requirements.

A、so small to

B、too big to

C、very small to

D、far big to