Lawrence Craven, a doctor from the US, introduced the idea in 1953 _______ aspirin has the potential to reduce the risk of heart attacks.
| A．that | B．when | C．which | D．why |
Some researchers are finding that daydreaming may be important to ______ mental health and it is ______ good means of relaxation.
| A．the; 不填 | B．不填 ; the | C．不填; a | D．不填; 不填 |
------Have you packed for your adventure holiday?
------Oh, almost, but I still need a flashlight _____I will be able to see in the dark.
| A．because | B．so that | C．even if | D．as |
-----Where are the children? Professor Zhang has come and his speech will start soon.
------I wish they always late.
A. hadn’t been C. wouldn’t be D. wouldn’t have been D. weren’t
If you _____faults but you still want the bicycle, ask the shop assistant to reduce the price.
| A．come across | B．care about | C．look into | D．look up to |
—I’m still working on my project.
—Oh, you’ll miss the deadline. Time is.
| A．running out | B．going out | C．giving out | D．losing out |