The question is too difficult and we found ________.
#66590
A
it not easy to answer it
B
it was not easy for us to answer it
C
it’s not easy to answer
D
it not easy to answer
推荐题目
David can speak idiomatic American English and yet, _____ English, he doesn't know it at all. 
#73915
A
how to teach
B
when it comes to teaching
C
when he teaches
D
however he teaches
        result it is, you’d better check it in practice yourself.
#67820
A
Whatever obvious a
B
However obvious
C
However obvious a
D
However a obvious