People who want to cross Canada in less than five days forget the fact _____ Canada is 5,500 kilometers from coast to coast.
| A．whether | B．that | C．how | D．why |
Mr. Obama paid a visit to China in November, 2009, _______, needless to say, must strengthen the Sino-US ties.
| A．what | B．that | C．which | D．it |
________ hard times and danger for over nine months, British teenager Mike made history as the youngest sailor among the world.
| A．Having battled | B．Battled | C．Battling | D．To battle |
—I’m going on diet these days.
—In my opinion, you should havebalanced diet.
| A．a; / | B．a; a | C．/; a | D．the; the |
I ___________ through that bitter period without your generous help.
| A．couldn’t have gone | B．didn’t go | C．couldn’t go | D．hadn’t gone |
Frankly, I really doubt _________ he will pass the driving test, for he missed much training.
| A．that | B．whether | C．which | D．what |