The silkworm is an insect worth_____.
A: to study
B: studying
C: to be studied
D: being studied
A: to study
B: studying
C: to be studied
D: being studied
B
举一反三
- Please don't turn on the TV when people are trying （） A: studying B: to have studied C: to study D: being studied
- By the end of this year, I _________ English for ten years. A: am studying B: study C: have studied D: studied
- It is my first time _______ abroad. A: study B: to study C: studied D: studying
- He Engineering A: studies B: study C: is studying D: studied
- I __________from three to five o’clock this afternoon. A: am studying B: studied C: study D: have studied
内容
- 0
He had a hard time ___English. A: study B: studied C: studying D: to study
- 1
If I ______ harder for the final exam, I should have passed it. A: study B: had studied C: studied D: was studying
- 2
Zhao Lan _________ in this school for two years. A: was studying B: will study C: has studied D: are studying
- 3
Zhang Ping_______already_______in this school for two years. A: was, studying B: will, study C: has, studied D: are, studying
- 4
My brother English for five years. A: has studied B: study C: studying D: is study