He studied hard at school when he was young, ___________leads to his success in his later life.
| A．what | B．which | C．that | D．so that |
--- Did he notice you enter the room?
--- I don’t think so. He ______ to the radio with his eyes shut.
| A．listened | B．was listening |
| C．has listened | D．had listened |
--- Where do you think ______ he ______ the computer?
--- Sorry. I have no idea.
| A．has; bought | B．不填; bought |
| C．did; buy | D．不填; buys |
If you win the competition, you will be given ____ to Europe for two.
| A．a free 7-day trip | B．a free trip for 7-day |
| C．a 7-day free trip | D．a trip for 7-day free |
—What do you think of the book？
—Oh，excellent．It's worth ___________ a second time．
| A．to read | B．to be read | C．reading | D．being read |
The library needs ＿＿, but it will have to wait until Sunday．
| A．cleaning | B．to clean | C．clean | D．being cleaned |