当对方帮了你的忙后,你应该说 A. OK B. Thanks ! C. How are you ?
—Let’s go shopping at the new mall. —Why not shop online? It’s ____.
---Oh, dear, we have____ milk left.---Don’t worry. I’ll go and buy some.
Lily’s books are newer than .
Tom can play drums,but Sam can play tennis.
he is very young, he can do many things.