As the immune system weakens, it loses the ability ________ illnesses.
#88514
A
fighting
B
fought
C
to fight
D
to be fought
推荐题目
She can’t help ______ the house because she’s busy making a cake.
#95492
A
to clean
B
cleaning
C
cleaned
D
being cleaned
—How are you getting on with your work? —Oh, I’m sorry. Things aren’t going so well as ______.
#96050
A
plans
B
planning
C
planned
D
to plan
I don’t want ______ any more trouble, you see?
#97540
A
there being
B
it to be
C
it being
D
there to be
The policeman looked around and caught a man his hand into the pocket of a passenger.
#91587
A
put
B
to be putting
C
to put
D
putting