______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
—It’s a bit cold. Would you mind my _________ all the windows? — Do as you like, please.
#48787
A
close
B
will close
C
closing
D
to close
Mr Smith told me that he wasn’t used to ___ by plane and he usedto __sick a lot.
#50880
A
travelling; feel
B
travel; feeling
C
travel; feel
D
travelling; feeling