The teacher told us that everyone has an important role ________in protecting the earth from________.
#92087
A
to play; to pollute
B
to be played; to be polluted
C
to play; being polluted
D
to be played; being polluted
推荐题目
__________ manager of the department, Mr Wang didn't feel happy as he was put under great pressure.
#88275
A
Appointed
B
To appoint
C
Appointing
D
Having appointed
Many problems concerning the improvement of our school remain ________.
#96679
A
solving
B
solved
C
to solve
D
to be solved
It remains ______ whether Liu Xiang will take part in the next Olympics.
#96941
A
to see
B
to be seen
C
seeing
D
to have seen
．________ bricks，workers press clay into blocks and bake them to the requisite hardness in a kiln.
#89125
A
Made
B
To make
C
Being made
D
To be made
Nancy, ____ for about half a year to apply for a job as an airline hostess, finally took a position at a shopping center.
#90895
A
struggled
B
having struggled
C
struggling
D
to struggle