.
Oh, Jane,you ’ve broken another glass.you ought ________when you washed it.
| A．be careful | B．to be careful | C．to care | D．to have been careful. |
To keep healthy, you should eat any of the food that is offered on the table _______ it is not well cooked.
| A．if | B．until | C．that | D．unless |
A poet and artist with high fame ______ coming to speak to us about Chinese literature
and painting tomorrow afternoon.
| A．is | B．are | C．was | D．were |
------Sorry, I made a mistake again.
----------_________. Practise more and you’ll succeed.
| A．Never mind | B．certainly not | C．Not at all | D．Don’t mention it. |
__________you were coming today, I’d have met you at the railway station.
| A．Have I known | B．Had I known | C．I have known | D．I had known |
Who would you like to have __________the letter?
| A．to post | B．post | C．posted | D．posting |