1.We tried to settle the problem with them as soon as possible, but they seemed to__1__sincerity.
A lack of B be lack of C lack in D be lacking in
2.When the Victorians had family reunions, the hosts went __2__their way to entertain the guests.
A in for B over C out of D back on
3.The motorist had to __3__to avoid knocking the old woman down in the middle of the road.
A swerve B twist C depart D swing
4.As the director can’t come to the reception, I’m representing the company__4__.
A on his account B on his behalf C for his part D in his interest
5.Fat cannot change into muscle__5__muscle changes into fat.
A any more than B no more than C no less than D much more than
答案：1-5 DCABA
1.选D，这里是固定搭配be lacking in，表示“缺乏(某种品质，特点等)，不够……”。这里的lacking 是形容词，表“欠缺，缺”
2.选C。 go out of one’s way表示“故意”，go in for表示“喜欢上”，go over“浏览”go back on支持
3.选A swerve表“突然转向，转弯”=dodge，turn;depart表示“启程，离开，辞世”Nothing that was worthy in the past departs. Swing(使)来回摆动，摇摆，旋转 A pendulum swings.
4.选B on one’s behalf 代表某人 I requested that he (should) use his influence on my behalf. 而for one’s part至于某人，对某人来说 The physician dismissed the matter as worthy of no further discussion on his part. 而in one’s interest= in the interest of sb为了……的利益The Prime Minster resigned for the interest of the state.
5.选A 因为固定搭配 A not … any more than B表“正如A不能……B也不能”= A no more than B。