–What do you think I should do?–().A、I don’t know.B、That’s not my business.C、You must talk with him.D、You’d better talk with him.
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I know you're planning to travel this summer, but do you know_____?A.how much cost it will beB.how much has it costC.how much will it costD.how much it will cost
Do you know( ) the best drink isA. thatB. whenC. whereD. what
Do you know the( )of the war?A. reasonB. reasonsC. causeD. casues
You know that's right, ______.A. is itB. isn't itC. do youD. don't you
— Generally speaking, value added tax is mainly charged on the taxable services.— Well,()A. how do you know it?B. why do you say so?C. what do you mean by that?
-Do you know who telephoned me? -().A、I heard it was SallyB、Yes, I remember it nowC、No, I didn’t phone youD、Yes, I know you well