You had better give ___ smoking
There were no other houses beyond her garden, ________ made it seem like her house lay at the end of the world.
It should be emphasized that our technology has great potentials ________ food development in China.
When it comes to gossip(流言蜚语), learn to keep your mouth shut ________ you'll avoid trouble.
Only when we have strong confidence, courage and strength, ________ overcome all the difficulties.
We should ________ the best person for the job, and I feel Jane is a remarkable candidate.