Please lock the door;______, bring the umbrella to me. It looks as if it is going to rain.
A. as a result B. in return C. in addition D. as well
Success belongs to those who work hard. I firmly believe that, _____my own efforts, I can make it.
A. showing offB. leaving outC. relying on D. making up
David, _____ I have been sharing a dorm for more than two years, is quite a funny guy.
A. of whomB. with whomC. in whom D. from whom
--The mistake_____, I had been more careful.
---But you weren’t at that time.
A. might have avoided B. would avoid
C. would be avoided D. might have been avoided
---Excuse me, is this seat______?
---yes. Go ahead.
A. occupied B. flexible C. temporary D. vacant
China's first moon rover, Yutu, or Jade Rabbit touched the lunar surface at 9:14 a.m.on December 14,2013, ________deep trace on the loose lunar soil.
A. left B. leaving C. Having left D. To leave
