【单选题】I wish to shake hands with you,___? A.do I B.don't I C.may I D.mayn't I
【判断题】串联谐振在无线电工程中的应用较为广泛,例如收音机的接收电路就是利用串联谐振来选择电台信号的。( )
【单选题】—May I smoke here?—No, you______.
【单选题】— May I eat apples? — No, you _____________. [ ]
【单选题】—May I take the magazine out of the library ? —No, you _________. [ ]
【单选题】—I _____ find my pencil-box. —It _____ at home. [ ]