This old computer must have been of great use to _______ did the scientific research.
A: those
B: when
C: whoever
D: whomever
A: those
B: when
C: whoever
D: whomever
C
举一反三
- This old computer must have been of great use to _______ did the scientific research. A: those B: when C: whoeve D: whomeve
- What did the old man say when the train startedThe old man said the other man must have（）.
- He must have been very nervous when speaking. Did you _______ that his hand was shaking?
- He did not attend the meeting yesterday. He______ill. A: must be B: must have been C: should be D: should have been
- You must have been to the Great Wall,____________?
内容
- 0
The old gentleman never fails to help ___ is in need of help. A: whom B: who C: whoever D: whomever
- 1
She must have been pretty___ to fall for such an old trick.
- 2
He fifty when I met him the first time. A: must be B: must have been C: should be D: should have been
- 3
The old gentleman never fails to help__________is in need of his help. A: who B: whoever C: one D: whomever
- 4
（）wants to go on the trip must pay the registration fee by today. A: Whomever B: Whoever C: Who D: Whom