We are sorry to have kept you______（wait) for 2 hours.

We feel sorry but we have to inform you that the materials you ordered are out of stock. (regret)

4．We feel sorry but we have to inform you that the materials you ordered are out of stock. (regret)

A.reuse

B.forget

C.accept

D.refuse

We are sorry to have to complain of the quality of the wheat , but it is far () the sample you sent us.

A. superior to

B. inferior to

C. prior to

A.hard

B.vacant

C.blank

D.good

A．either

B．none

C．no one

D．neither

A.pure

B.sweet

C.mild

D.soft

听力原文：W: Sorry, I'm late. Have you been waiting long？

M: Of course, I have. We arranged to meet at nine and it's almost half past now.

What time is it now？

A．8:00.

B．7:30.

C．9:30

D．9:00

A. superior to

B. inferior to

C. prior to