当小朋友迟到了,老师会说: A.Good morning.B. Come in, please.C. Goodbye.
Can____ help you? A. I B. my C. me
Whose is this? It’s_____. A. my father B. Sarah’s C. fathers
His shoes_____ new. A. am B. is C. are
My coat ____ old. A. am B. is C. are
Are those your shorts?_____. A. Yes, it is. B. No, it isn’t. C. No, they aren’t.