单项选择题
A.Not at all, go ahead. B.It’s rather hot here. C.Thank you. D.Help yourself.
A.Students in Class Three are listening to the radios. B.Students in Class Three can repair radios. C.Students here can repair radios. D.Students here are listening to the radios.
A.I have no cash on me. B.It’s too expensive. C.That’s 160 yuan. D.It is suitable for you.