We are wondering ________ we can prevent people from polluting the earth.
#38936
A
who
B
that
C
whether
D
what
推荐题目
 The teacher asked Tom _________.
#37102
A
why he was late for school
B
why was he late for school
C
why is he late for school
D
why he is late for school
—Did you hear about the terrible accident ?—Yes, but I don’t know _________.
#38618
A
where was it happened
B
where it was happened
C
where did it happen
D
where it happened
Could you tell me          ?
#36519
A
when will Kate come back
B
when Kate will come back
C
when does Kate come back
D
when did Kate come back