______ he referred to in his article was unknown to the general reader. 
#73865
A
That
B
What
C
Whether
D
Where
推荐题目
—Do you think he will finish the job on time? —Sure. _____ he _____ to do it in his own way.
#69557
A
As soon as; will be left
B
Even if; leaves
C
Whenever; has left
D
So long as; is left
People are recycling many things which they      away in the past.
#66646
A
had thrown
B
will be throwing
C
were throwing
D
would have thrown