Mom，I lost ________diamond ring you bought for me as my birthday present.Could you keep ________eye out for it when you clean my bedroom?
| A．a；an | B．a；the | C．the；an | D．the；the |
Tom, together with his friends, _______ to visit the Shanghai World Expo in the coming summer holidays.
| A．expect | B．have expected | C．is expecting | D．are expecting |
When _______ there, the postman found the door locked and then stopped _______ the letter in the mailbox on the wall.
| A．reaching; putting | B．reached; to put |
| C．reaching; to put | D．reached; putting |
He doesn’t have the habit of planning his travel expense, so he won’t know what to do _______ the money runs out.
| A．once | B．before | C．unless | D．though |
The news _______ is spreading around the airport is _______ a heavy storm is coming.
| A．what; / | B．that; that | C．/; that | D．that; which |
It is known to all that a proper amount of exercise _______ to good health.
| A．benefits | B．devotes | C．values | D．contributes |