He is rather difficult to make friends with, but his friendship, _____, is more true than any other.
| A．once gained | B．when to gain | C．after gaining | D．while gaining |
It was considerate _____ you not to play the piano while I was asleep.
| A．of | B．for | C．to | D．from |
She is stubborn in resisting his enquiries about the Moonstone _____ the degree that she makes it seem as if she does not want the mystery ______.
| A．on; to solve | B．with; solving |
| C．for; being solved | D．to; to be solved |
. I was embarrassed to admit that yesterday I ______ a serious error.
| A．acted | B．committed | C．performed | D．completed |
---- What do you think of zoology?
---- In my opinion, zoology is ______ botany.
| A．a subject so interesting as | B．as a interesting subject as |
| C．as interesting a subject as | D．interesting as a subject as |
I ___________of your trying to earn some money, but please don’t neglect your studies.
| A．agree | B．admit | C．approve | D．decide |