A survey of the opinions of experts___that three hours of outdoor exercise a week___good for one’s health.
| A．show;are | B．shows;is |
| C．show;is | D．shows;are |
– I met Jackson at our school theatre. Can you imagine_____ well-known _____ an expert on ENT?
| A．his becoming; as | B．to become; as | C．his becoming; for | D．to become; for |
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 |
On the celebration of the university’s 100th birthday, he said, “I have never experienced __________ time here as a graduate of Tsinghua University.”
| A．a better | B．the best | C．the better | D．a best |
Only when to explain thereasonfor this.
| A．didhestart;she realized | B．hestarted;didsherealize |
| C．didhe start;she hadrealized | D．hestarted;hadsherealized |
Large earthquakes __________ the ocean can create a series of huge, destructive waves called tsunamis that flood coasts for many miles.
| A．beyond | B．beneath | C．off | D．across |