The teacher couldn’t make himself attention to because the students were so noisy.
| A．to pay | B．to be paid | C．paid | D．pay |
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 |