She is often seen ______ the old woman.  
#50014
A
help
B
helping
C
to help
D
help to
推荐题目
I think ________ vocabulary lists ________ us a lot.
#51018
A
make, help
B
making, helps
C
makes, helping
D
making, help
 I study math by ____ lots of exercises.
#49928
A
did
B
doing
C
do
D
does
When we saw her in the street, we stopped ______ to her.
#51041
A
talk
B
to talk
C
talking
D
talked
Thank you for______ let me_______ on the trip today.
#49990
A
agree to;go
B
agreeing;going
C
agreeing to;go
D
agree;to go
We should spend as much time as we can ______ English.
#49936
A
read
B
to read
C
reading
D
reads