—Did you find the missing couple in the mountain yesterday?
—No, but we ________ to get in touch with them ever since.
| A．have tried | B．have been trying |
| C．had tried | D．had been trying |
-- My cat’s really fat.
--- You ______ have given her so much food.
| A．wouldn’t | B．couldn’t | C．shouldn’t | D．mustn’t |
If you had told me in advance, I ___ him at the airport.
| A．would meet | B．would had meet | C．would have met | D．would have meet |
--Excuse me, could you tell me the way to the British Museum?
---Sorry, I'm a stranger here.
---_______.
| A．Thanks anyway | B．It doesn't matter | C．Never mind | D．No problem. |
I wish I ___ able to tell him all about it last night.
| A．should be | B． were | C． had been | D． was |
—How about Christmas evening party?
—I should say it was success.
| A．a; a | B．the; a | C．a; 不填 | D．the; 不填 |