It _______ come as no surprise that Suri Cruise wants to be an actress, since her father, Tom Cruise, is a Hollywood top star.
| A．can | B．should | C．will | D．must |
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 |
He is so addicted to smoking that ________ seems to be no chance of talking him into quitting.
| A．this | B．what | C．it | D．there |