It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.
| A．that | B．whether | C．how | D．what |
It was essential that the application forms ________ back before thedeadline.
| A．must be sent | B．would be sent | C．be sent | D．were sent |
As time went by, the plan we stuck ____ fairly practical.
| A．to proved | B．to proving | C．proved | D．to be proved |
---Could you turn the TV down a little bit?
---______. Is it disturbing you?
| A．Take it easy | B．I’m sorry | C．Not a bit | D．It depends |
---Our team will play against the Rockets this weekend. I'm sure we will win.
--- !
| A．Congratulations | B．Cheers | C．Best wishes | D．Good luck |
The factory was built in a secret place, around _________ high mountains.
| A．which was | B．it was | C．which were | D．them were |