—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
Mr Li taught me     in the river when I was a child.
#49893
A
to swim
B
swam
C
swimming
D
swims
Would you please   me how to do it ? 
#50447
A
tell
B
telling
C
to tell
D
not to tell
Mary thinks _______ to music can make her _______.
#51295
A
listening; relaxing
B
listen; relaxed
C
listen; relaxing
D
listening; relaxed
My bike is broken. It needs ____.  
#50612
A
to repair
B
to be repaired
C
repaired
D
be repaired