When I reached front door, I suddenly saw strange sight last night.
| A．the; 不填 | B．a; the |
| C．不填; a | D．the; a |
-----What _____?
-----I______my key and can't open the door.
| A．happened, lost | B．has happened, lost |
| C．happens, have lost | D．has happened, have lost |
-Now that you like the personal computer very much, isn't it a good idea to get one?
-Well, I'd like to but I can't afford _____ computer at present.
| A．that expensive a | B．a such cheap | C．that an expensive | D．so cheap |
I___ to have another try if I get another chance.
| A．have been meaning | B．mean | C．am meanin | D．have meant |
Oh, it's you, I'm sorry I ____know you ____here.
| A．don't, are | B．didn't, are | C．didn't ,were | D．don't, were |
Wherever I ____these days. I always carry my umbrella.
| A．am going | B．shall go | C．go | D．should go |