. A nature reserve for white-flag dolphins was set up in 1992, _______ boats have been prohibited from sailing around since then.
She loved her husband _________the fact that he is addicted to smoking.
I can’t buy ________that one.
The troops _______ themselves to go into battle.
But for friction (摩擦力), people ______ neither walk, nor even stand up.
It was after he got what he had desired_____ he realized it was not so important.