Lin Yi isn't what it used to be. The last decade__________ great changes in the city images.
| A．witnessed |
| B．was witnessed |
| C．has witnessed |
| D．had witnessed |
I can guess you___________ your sweater inside out.
| A．had worn | B．wore | C．are wearing | D．were wearing |
It is only when you nearly lose someone ____________ you fully realize how much you value him.
| A．do | B．then | C．will | D．that |
--I'm going downtown.
--Come on.________.
| A．I'll give you a lift | B．You are welcome |
| C．Don't do that | D．Come with me |
--Shall Mary come and play computer games?
--No,__________ she has finished her homework.
| A．when | B．if | C．unless | D．once |
--I'm sorry, I shouldn't have been so rude to you.
--You___________ your temper but that's OK.
| A．have lost | B．had lost | C．did lose | D．were losing |