什么是大众传播的“窄众化”？这一趋势是对“大众”这一概念的有效批评和实践上的更正吗？

一Marilyn，I'm afraid I have to be leaving now .— ________.

A That sounds wonderful .

B Oh，so early？

C Not at a11.

D Good luck!

Linda: Mary, I'm afraid I have to be leaving now.

Mary: __________

A、That sounds wonderful.

B、Oh,so early？

C、Not at all.

D、Good luck!

A．A.must leave now, I have something important to do

B．B.Im afraid I must go now, it is too late

C．C.Im afraid I must be leaving now, for I have something important to do

D．D.I must be leaving now, for I have something important to do

Host: Are you sure you're leaving now？ It's so early. Guest: ______.

A．Yes, I must. I have an assignment due tomorrow morning.

B．I'm afraid so. Thank you for your wonderful cooking.

C．I don't want to, but I have to.

D．I think it's already very late now.

-- I’m afraid I have a complaint to make. -- _____________

A、Sorry.

B、Can I help you？

C、What？

D、Tell me about it.

I wrote a check for more money than I have in my account. I'm afraid I'm ______.

A．overdrawn

B．insufficient funds

C．minimum balance

I have made an appointment with him, but I'm afraid he'll ______.

A．fall out

B．fall over

C．fall through

D．fall off

I'm afraid it______tomorrow, but who knows？

A．may have rained

B．might rain

C．would rain

D．ought to rain

Did you mean I should keep the receipt？ I'm afraid I have ______ .

A．run it over

B．torn it up

C．taken it apart

D．shaken it off

I’m afraid you have got a lot more questions to ___ me again.

A.fight

B.wait

C.ask for

D.challenge