Mr Johnson preferred heavier work to do.A. to be givenB. to be givingC. to have givenD. h

问题补充：

Mr Johnson preferred heavier work to do.

A. to be given

B. to be giving

C. to have given

D. having given

答案：

(答案→)A. to be given

B. to be giving

C. to have given

D. having given

解析：prefer后面的动名词或动词不定式的动作主体就是句子的主语。动词give一般要有双宾语，而句子里并无give的间接宾语（给谁），因此全句意思应是“约翰逊先生宁可有（被给予）更重的活干”。