A: Could I speak to John, please? B: No, you can't.()
A: Could I speak to John, please? B: No, you can't.()
相关考题：
22．In the daytime， when you dive in the sea， you ________A． can see everything green and blueB． can- t be in dangerC． can catch nothingD． can't see anything clearly
---Good morning. I've got an appointment with Miss Smith in the PersonnelDepartment.--Ah, good morning. You ____be Mrs. Peters.A. mightB. mustC. wouldD. can
—_______ I return the book to the library this week?— No, you _______.You can keep it until the end of this month. A.Must; needn’tB.Can; can’tC.May; mustn’tD.Can; mustn’t
--Remember the first time we met, John --Exactly. You ______ in the library.A.were reading B.had readC.have read D.read
Good evening, Professor Hardy. Good evening, John. Come in, please. Thank you, I hope I am not interrupting you. No,（）Athank youBnot at allCthanksDlet it alone
3、目的状语从句中常含有can, could, may, might, should等情态动词。