The watch ________ I paid 50 dollars was stolen by the thief.
A. on which B. which
C. for which D. for that
Your work would be much better ______ you are always in such a hurry.
A. when B. because
C. once D. unless
He started early _______he could get there before nine
A. in order that B. because C. so as to D. in order to
Had I known about this computer program, a huge amount of time and energy__A__.
A. would have been saved B. had been saved
C. will be saved D. was saved
Today there are more airplanes____ more people than ever before in the skies.
A. carry B. carrying
C. carried D. to be carrying
________ the program, they have to stay there for another two weeks.
A. Not completing B. Not completed
C. Not having completed D. Having not completed