She can’t help ______ the house because she’s busy making a cake.
#95492
A
to clean
B
cleaning
C
cleaned
D
being cleaned
推荐题目
The teacher came into the classroom _______ by his students. 
#97444
A
following
B
to be following
C
followed
D
having followed.
The well-known singer insisted on ______ his private affairs in the press conference.
#91543
A
not to discuss
B
discussing not
C
not discussing
D
not having discussed
I would appreciate _____ it a secret.
#96686
A
your keeping
B
you to keep
C
that you keep
D
that you will keep
Which do you enjoy _____ your weekend, swimming or fishing?
#98582
A
spending
B
being spent
C
spend
D
to spend