—Such a mistake could have been avoided.
—Unfortunately, he ________ the mistake again and again.
—You know,I’m poor in Chinese,you are not good at English,and...
—That’s________we should help each other.
----Do you need my ruler?
----No, thanks. I’ve got _______ myself.
—We weren’t sure which way to go.In the end,we turned right.
—You the wrong way.You left.
—Have we ________water?
—Yes, ________. We’d better get some.
—Which English book do you think I should buy, sir?
—______________. You’re supposed to have ideas on your own.
-----Why did you come by taxi?
-----My bile broke down last night and I ____it repaired.
---Aren’t you going to buy that house? It’s modern.
---Yes , it is . But I’m afraid I can’t ____such an expensive house
—— He hasn’t gone to the office up to now.
—— Well, he _______.
--- Did you have ____fun on your trip ?
---Yes,. It’s really ____ pity that you didn’t come with us.