---John has got a very good job in the government.   --- _____ he looks so happy.
#94011
A
No doubt    
B
No wonder
C
That’s because
D
It’s natural
推荐题目
He made another wonderful discovery, ______ of great importance to science.
#93713
A
which I think is
B
which I think it is
C
which I think
D
I think which is
One learns a knowledge by making mistakes and ______ them.
#92957
A
corrects
B
correct
C
to correct
D
correcting
In my opinion, Jack, though relatively stubborn, was not too difficult ___.
#92677
A
to work with
B
working with
C
to be worked with
D
worked with