I'm busy now. I'm sorry I can't help ____ the flowers.
#98051
A
watering
B
watered
C
waters
D
to water
推荐题目
______ a good insulator(绝缘体) , rubber is often used in cables.
#97994
A
Having been
B
To be
C
Be
D
Being
— My leg hurts a lot.— You’d better go to the doctor and have it _____.
#91407
A
examine
B
examined
C
examining
D
to be examined
According to the information from the airline, a small sinking part of the runway of the airport is _____________ for the accident.
#90307
A
to blame
B
to be blamed
C
to blaming
D
to be blaming
Advertisements _______ these facts have been printed in newspapers and magazines but have not helped much.
#96120
A
based on
B
base on
C
to base on
D
basing on
. He made up his mind to devote his life____________the river____________polluted.
#97630
A
to prevent, to be
B
to prevent, from being
C
to preventing, to be
D
to preventing, from being