下列行为属于信用证欺诈的有：()。

A:I haven't eaten all day.

B:You _____he very hungry.

A.must

B.should

C.have to

A. I haven' t eaten all day.

B: You _____be very hungry.

A. should

B. must

C. have to

A:I haven't eaten all day.

B: You __ be very hungry.

A. should

B. have to

C. must

A: I haven’t eaten all day. B: You () be very hungry.

A: must

B: should

C: have to

听力原文：I'm terribly sorry that I haven't finished the work．

(4)

A．That's all right．

B．You are very welcome．

C．Don't mention it．

D．Yes，you are right．

- You haven't paid for it yet.

- _________

A. Oh, I'm really very sorry.

B. Thank you.

C. Not at all.

D. Of course, I know.

– Will you please turn down the TV？ – ().

A: I'll turn it down next time

B: Never mind if you turn it down

C: It sounds reasonable

D: Sorry. I haven't realized you're sleeping

- Tom and Tina don’t seem very happy recently.- Haven’t you heard？ She’s______.

A．broken down

B．broken off

C．broken out

D．broken away

-- You look very pale. You ______ very tired.-- I didn't sleep at all last night.

A．must be

B．must have been

C．can be

D．can have been

-- Have you seen Jack and John？

-- I haven't seen ______ of them.

A. neither

B. any

C. either

D. all