All my classes finish ____________ 4:00 p.m.A.in B.on C.at
– I prefer _________shopping to _________at home.
—Have you found your lost mobile phone?—No, I haven’t. But I bought yesterday.
-What are you busy doing, Sandy?- I’m making some flash cards _________ me remember English words.
The socks cost _________ much _________we didn’t buy any.
–“It’s too cold. Would you mind _________ the window?”.- “_________ . But don’t do it now.”