She was leaning against a tree as if ______ for someone.
#96449
A
waited
B
wait
C
to wait
D
waiting
推荐题目
We should think of ways to stop the waste from the factory _____ our living environment. 
#97826
A
being polluted
B
polluting
C
from being polluted
D
Polluted
Knowing how to give first aid really ______ in case of emergency. It can save lives. 
#96925
A
makes difference
B
has a difference
C
makes a difference
D
makes the difference