Not easy as the problem of pollution is____, no one should just stop trying.
#96406
A
to solve
B
to be solve
C
solving
D
being solved
推荐题目
The foreign guests ,____ by some artists , came out of the hall .
#93570
A
following
B
to follow
C
followed
D
to be followed
The bad weather is reported _______ the passenger plane crash in Iran on January 9.
#96247
A
to contribute to
B
contributing to
C
contributed to
D
to have contributed to
_____ in a white dress, the bride(新娘) looks very happy.
#90172
A
Dressed
B
To dress
C
Dressing
D
Having dressed
Mark lives in a big pleasant room ______ approximately 5 meters by 6 meters.
#89819
A
measures
B
measuring
C
to be measured
D
having measured
I looked up and noticed a snake ______ its way up the tree to catch its breakfast.
#94955
A
to wind
B
wind
C
winding
D
wound