--- Hi, Mary. Would you like to go to the concert this evening?
--- Sorry, Tom. tomorrow’s lessons, I have no time to go out with you.
| A．Not preparing |
| B．Not having prepared |
| C．Not to prepare |
| D．Being not prepared |
We _______ the difficulty together, but why didn’t you tell me?
| A．should face | B．might face |
| C．could have faced | D．must have faced |
We ________ the bridge for over two years and it will be half a year before it’s completed.
| A．are building | B．have built |
| C．have been built | D．have been building |
---- Did you know any German before you got to Berlin?
---- Not a single word _________.
| A．have I learned | B．had I learned |
| C．I’ve learned | D．I had learned |
Your new product ________ better if it is advertised on TV.
| A．sells | B．sold |
| C．will sell | D．would sell |
----I’ll come to see your performance at 9:00 tomorrow evening.
----I’ll sorry, but by then my performance _______ and I _________ reporters in the meeting room.
| A．will end; will meet |
| B．will have ended; will be meeting |
| C．will be ended; am going to meet |
| D．is to end; will meet |