It was in the lab, ________ was taken charge of by Professor Curie, _______ they did the experiment.
The news spread quickly through the village ________ the war had ended, ________ made villagers wild with joy.
_______ we know, hurricane is _______ to come.
----Do you think George has passed the driving test? ----No. If so, he ______ his car to our college yesterday.
Tom ______to paint the fence but he got his friends to do it for him.
Some of us remain________at our computer for hours every day,forgetting moving our body.