________energy, we turn off the lights for Earth Hour on the last Saturday in March
#89730
A
Saving
B
To save
C
Saved
D
Having saved
推荐题目
—What do you think made the girl so glad?—_____a beautiful necklace.
#93735
A
As she received
B
Receiving
C
Received
D
Because of receiving
Some people believe that they would be better off more adaptive activities in their leisure time, such as establishing relationships and teaching their children．
#95246
A
doing
B
to do
C
having done
D
to be doing
Under the environment of fierce competition, the only way John could imagine ________ stress was to get tougher by making greater efforts.
#88777
A
handling
B
to handle
C
handled
D
having handled