Come to my flat _______ 9:00 ________ the morning.A. in… at B. at … in
你想把杰克介绍给朋友认识,你可以说:A.Hello,Jack. B.Hello!This is Jack.
当别人问候你“Nice to meet you.”时,你可以说:A.Hello! B.Nice to meet you,too.
当你在上午遇到老朋友并想问候他的时候,你可以说:A.Good morning. B.Good afternoon.
—I see red.—I see a apple.A.black B.red
I have eraser. A.a B.an