AIDS is said ______ the biggest health challenge to both men and women in that area over the past few years.
| A．that it is | B．to be | C．that it has been | D．to have been |
When we talk about someone’s personality , we mean the ways ________ he or she acts, speaks , thinks and feels that make that person different from others.
| A．how | B．/ | C．which | D．why |
A new study suggests that the more teenagers watch television,_______ develop depression(抑郁症) as young adults.
| A．the more likely they are to | B．the more likely they are |
| C．they are the more likely to | D．the more likely are they |
---Does tiredness or inadequate sleep cause dark circles under eyes?
---Lack of sleep will _______ making your skin look pale, and this will make your circles look darker.
| A．come up | B．show up | C．end up | D．take up |
---Do you know how this disabled man succeeded in running such a big company?
--- I don’t know , but I think he __________ many difficulties.
| A．could have gone through | B．must have gone through |
| C．might go through | D．need go through |
---What about your self-drive trip yesterday?
---Tiring! The road is being widened, and we ____ a rough time.
| A．have | B．had | C．would have | D．have had |