________ global energy safety, all the countries have been called on to take joint efforts ．
#97844
A
Having ensured
B
Ensuring
C
To ensure
D
To have ensured
推荐题目
When ________ to the market, these products were very popular.
#90769
A
introducing
B
introduced
C
introduce
D
being introduced
—What do you think made Tina so delighted？ —______ the driving test at her first attempt.
#94338
A
As she passed
B
Passed
C
Because of passing
D
Passing
We want to shock people into ____ that many smokers die all too soon from illness and diseases _____ smoking.
#88246
A
being realized; relating to
B
realizing; related to
C
realizing; relating and
D
being realized; related and
Please tell me the way you thought of ___ the garden.
#98052
A
take care of
B
to take care of
C
taking care of
D
how to take care of