You can hardly imagine the difficulty the woman had ______ her children.

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Henry set up a club for football fans,______ he invited all his friends.

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—Never thought to meet you here at this time!

—________.

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A．Glad to see you.

B．It's a small world.

C．So did I

D．Oh, haven't you?

—He is seldom seen these days.

—I believe we'll ________ see ________ of him in the following years.

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We don't doubt ________ he'll give us much help. ________ we doubt is ________ he'll come on time.

[　　]

A．whether; That,when

B．that, What, whether

C．whether , What , whether

D．that , Why , whether

—Look! Somebody has broken a glass.

—Well, it ________ me. I ________ that.

[　　]

A．wasn't, didn't do

B．isn't, didn't do

C．isn't, haven't done

D．wasn't, hadn't done

The temperature can fall to -30℃.________ is 30℃ below freezing point.

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—Did the door-keeper let you in？

—No. ________ I tried to tell him that I was your uncle, he just wouldn't listen to me.

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—Have the students started to work on their experiment?

—Yes, it ________.

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—Do you have to leave now?

—Sorry, but I really ________.

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