—May I borrow your CD?
—Sorry, I _______it at home.
| A．forgot | B．left | C．took | D．leave |
She _______ when I went to see her.
| A．is reading | B．have read | C．was reading | D．reads |
We won’t go to the Great Wall until the rain _______.
| A．will stop | B．stops | C．stopped | D．has stopped |
I will give the message to him __________he comes back.
| A．before | B．since | C．as soon as | D．until |
We won’t go to the Great Wall if it ___________ the day after tomorrow.
| A．won’t rain | B．is raining | C．rains | D．doesn’t rain |
---What do you think Sam ________ in 10 years?
---A doctor.
| A．will be | B．is | C．wants | D．is being |