______nature reserves _______us learn more about protecting animals.
#48781
A
Studying ; help
B
Studies ; helps
C
To study; helping
D
Studying; helps
推荐题目
 Since you are tired, you’ d better        and have a good rest.
#48426
A
to stop to study
B
stop to study
C
stop studying
D
to stop studying
My hair needs ________ , I have to have it ________.
#49864
A
cut, cut
B
to cut , cut
C
cutting, cut
D
cut, cutted
I prefer watching TV to            music every day.
#50079
A
listen to
B
listen
C
listening
D
listening to
The mother shouted ________ loud at the baby that she made her ________. 
#48753
A
too; cry
B
so; cry
C
too; cried
D
so; cried