----Where is your sister?  -----She _________ my mom with cooking. 
#41584
A
is helping
B
helping
C
is help
D
helps
推荐题目
We won’t go to the park if it   ________ tomorrow.
#42369
A
rains
B
has rains
C
rained
D
will rain
-I am leaving for a vacation.-Really? Where ________you __________?
#40376
A
have, gone
B
will, go
C
did, go
D
do, go
Maria          wear a dress at the party yesterday.
#39665
A
is supposed
B
is supposed to
C
was supposed to
D
should to