As we all know，it's not polite to keep others ________for a long time.
| A．wait | B．waited |
| C．to wait | D．waiting |
---I am very tired these days because of studying for Maths.
---Why notmusic? It can make you.
| A．listen to, to relax | B．to listen to, relax | C．listen to.relax | D．to listen to,to relax |
Last Sunday,when I got to the station,II had left my ticket at home.
| A．understood | B．realized | C．believed | D．seemed |
--Whenyour motheryou that computer?
---Oh, I have forgotten.
| A．does,buy | B．has, bought | C．has,had | D．did,buy |
There is __ homework for us to do .It’s ___ to finish it in such a short time.
| A．much too, unable | B．too much, possible |
| C．too many, impossible | D．too much, impossible |
---Would you like to watch Painted Skin Ⅱ with me?
---Certainly. I don't mind seeing again although I_______ it twice.
| A．saw | B．was seeing | C．have seen | D．see |