《大学英语（三）》第1次作业.帮我回答一下.
—Who's speaking?
—This is Tom ________________.
speaks
spoken
speaking
saying
—Hello,I'd like to speak to Mr.Wang.
—He's out to lunch now.________________.
—Sure,thank you.
Sorry,you can't.
I don't know.
No,you can't.
Would you mind calling back later?
—Good morning,may I speak to Mark,please?
—________________
Who's there?
Who's speaking?
Who are you?
Who wants to speak to Mark?
—Thank you ever so much for the coat you bought me.
—________________.
No thanks
I'm glad you like it
Please don't say so
No,it's not so good
— Thanks a lot.You've gone through so much trouble.
—________________.
It's no trouble at all.
That's good.
I don't think it's a trouble.
That's very kind of you.