—We should do what we can ________ the endangered animals.—Yes, it’s our duty_________ them.
#48378
A
save; to protect
B
save; protect
C
to save; protect
D
to save; to protect
推荐题目
The advertisements________on the wall are designed by my sister.
#48792
A
are put up
B
are putting up
C
put up
D
be put up
I’m too busy _______ my homework _______ walk my dog every day.
#51203
A
to do; to
B
doing; to
C
to do; /
D
doing; /
-- Do you know why he left so early ?--__________ for the English test, I guess.
#49761
A
To study
B
Study
C
Studied
D
Studying