补全对话：在下列对话的空白处填入适当的话语（话语可能是一个句子，也可能是一个短语或一个词），使对话完整并正确。
Dialogue １
A：Hello. May I speak to Larry?
B：1 . Can I take a message?
A：Yes. This is his friend Bob calling. Would you please ask Larry to bring a videotape of popular songs to the evening party tonight?
B：2 . Hold on, please. I'll get a pen to write this down. “Bob called．You should bring a videotape of popular songs to the evening party tonight.” Is that it?
A：Yes. 3 . You may also tell him to call me back if he has a chance.
B：All right. 4 ?
A：My number is 2818875. Now I'll say it again－2-8-1-8-8-7-5.
B：OK. I think he will see the message when he comes back.
A：5 . Good-bye.
B：Good-bye.
Dialogue 2
A：Can I help you?
B：6 . I' m looking for a shirt for myself.
A：What size do you wear?
B：Size 40.
A：7 ?
B：Blue, please, if you have.
A：I think this will be very nice.
B：Can I try it on here?
A：8 .
B：(Coming out of the change room) I think it's OK. But I'm afraid it's a bit expensive.
Can I get it at a discount（打折）?
A：Yes. It's 10% off today.
B：OK. 9 . By the way, do I have to pay cash?
A：Yes. Only cash. (Handing over the shirt) Here you are.
B：Thank you.
A：10 .
Dialogue 3
A：11 . Is there a post office nearby?
B：Yes. There is one on Main Street.
A：On Main Street? 12 ?
B：You can take a bus. The No. 12 bus goes there.
A：Where can I take the bus?
B：Just walk to the crossing, turn left and walk on for two minutes.
A：Could you say that again?
B：13 . Just walk to the crossing, turn left and walk on for two minutes.
A：14 .
A：(Arriving at the bus stop) Is this Bus No. 12?
C：15 .
A：Oh, good! I'm on the right bus at last.
答案与提示：
Dialogue 1
这是一段打电话时的对话。在填空时要考虑到这一特定环境并注意打电话时的日常用语。还要充分考虑到上下文所给出的提示和标点符号对所写句式的要求。
1．Sorry, he isn't in. （根据下面的回答判断）
2．I'm sorry.
3．You're right.
4．What's your telephone number?
5．Thank you.
Dialogue 2
这是一段发生在顾客和售货员之间的对话。整个对话围绕着购物进行。注意习惯用语。
6．Yes, please.
7．What color do you like?（根据下面的回答判断）
8．Sure./ Certainly./ Of course.
9．I'll take it. (从下面的问题中可以看出他决定买下了。)
10．You're welcome.
Dialogue 3
这是一段问路的对话。注意对话中场景的改变。
11．Excuse me.
12．How can I get there?
13．OK./Yes.
14．Thank you.
15．Yes.
