______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
We should wear special boots __________ us floating away into the space .
#48510
A
to prevent
B
preventing
C
prevent
D
prevented
I think _______ not difficult _______ English every morning.
#50903
A
that; keep reading
B
it’s; keep reading
C
that; to keep read
D
it; to keep reading
Mother told her son ______play too much.
#49810
A
to not
B
not to
C
don’t to
D
to do
Lisa really wanted _________.
#49178
A
win
B
won
C
to win
D
winning