The policeman was ________ abusing his power when performing his duty, but it hasn’t been ______ yet.
____ students are practicing ___ English with each other at the English corner.
My father served in the army in _______ when he was in _____.
Only when finished his own work, ask him to help you.
The reason he missed this class was quite different from the one that you explained to me.A.that B.of which C.why D what
It was ______ that they went for a drive in the countryside.