we need to have some practice( ) our theory.A .on which to b
we need to have some practice( ) our theory.A .on which to b
we need to have it on which to base our policy?
we need to have factual knowledge——our thinkng为何要填 on which
The boy really need some conversation_____ A to practice B p
The boy really need some conversation A to practice B practi
I need a room________.A.which to live in.B.on which to live.
Theory is based on practice,which __serves theory.A.in turn
选填 1.we need some food .our picnic A to B with C for 2.一how
I need to have a partner to practice English ———— .A.to B.at
You need some facts _______to base your theory.A.where B.on
We have no vegetables for lunch,we need to (b ) some
what else do we need 同义句 We are going to have a picnic on ne