–We should do what we can _____ the endangered animals.` --Yes, it’s duty_____ them.
#50588
A
save, to protect
B
save, protect
C
to save, protect
D
to save, to protect
推荐题目
She hardly ever speaks English after class, for she is afraid mistakes.
#50275
A
to making
B
to make
C
of make
D
makes
I think it’s important Chinese well, because I am Chinese.
#49611
A
to learn
B
learn
C
learning
D
learned
There is going to _________an important meeting tomorrow. Please try _________late,
#48830
A
have; not to be
B
have; not be
C
be; not to be
D
be; not be