Please excuse me for _____ in without ______.

A. coming, asking　 　　 B. coming, being asked　

C. to come, asking　 　　　 D. to come, being asked

 It is said that 30% of the apples here _______ from abroad while 80% of the rice _____ grown here.

A. is; are                       B. are; is                         C. are; are             D. is; is

Tom apologized for______ to inform us of the change in the working plan.

A. his not being able B. him not to be able　　　　　　

C. his being not able　 D. him to be not able

 Progress so far has been very good. ______, we are sure that the project will be completed on time.

  A. Therefore               B. Otherwise           C. However         D. Besides

 The first use of atomic weapons was in 1945 and their power ______ increased enormously ever since.

  A. is                                 B. was                          C. has been                 D. had been

It is ______the trouble to explain a job fully to new employees.

A. worthwhile taking　　　　 B. worthy taking　　　　　

C. worthy of take　　　　　　 D. worth to take

On hearing the news that his father had returned from abroad, Jack got up quickly, ______ the breakfast ______.

A. left; unfinishing　　　　　　 B. leaving; unfinished　　

C. left; unfinished 　　　　　 D. leaving; unfinishing

 The meal over, the managers went back to the meeting room to ______their discussion.

  A. put away                   B. take down              C. carry on              D. look over

 _____ be successful in our study.

A. Only by working hard can we　                      B. By only working hard we can

C. Only we can by working hard　                      D. Only by working hard we can

 Tom's father died when he was a boy, so he was _____ by his mother.

   A. taken up                  B. brought up             C. turned up               D. picked up