It is difficult to imagine his _____________ the decision without any consideration.

A. accept             B. accepting            C. to accept     D. accepted

 --Our maths teacher wanted you to do your homework again.

--I can just imagine him ______that.

  A. say              B. saying               C. to say        D. said

 With some books he needed ____, he went into the bookstore quickly.

  A. to buy           B. bought               C. buying        D. buy

 Having been praised by the teacher, the little girl ran back home,____.

A. happily and satisfied                      B. eager and excitedly

C. happy and satisfied    D. anxiously and excitedly

 We did not expect our offer _____ so quickly.

A. rejected           B. to reject            C. to be rejected     D. rejecting

 It snowed heavily last night, thus ________ the traffic problems today.

A. causing            B. caused

C. having caused      D. having been caused

 I like getting up very early in summer. The morning air is so good _________.

A. to be breathed     B. to breathe           C. breathing     D. being breathed

 Upon __________ home, he was arrested by the police.

A. arriving           B. arrived        C. arrive         D. to arrive

 The little boy isn’t getting on well in maths and worse still, he is even unwilling to go to school. With her son _____, she feels very ______.

A. disappointing；worrying                    B. disappointing；worried

C. disappointed；worried                                       D. disappointed；worrying

 ____________ and out of breath, we reached the top of the mountain and stopped __________ the beautiful scenery.

A. Tiring, to admire  B. Being tired, admiring

C. Tired, to admire   D. Tired, admiring