I stood there patiently until he ________ his work

Be careful! You might fall into the water.-Thank you. I____.I______ so close to thepool.

It is the bus driver who should ______ the safety ofthe passengers.

Mr and Mrs James feel more comfortable on a ship than they would do if they _________ any other way

I hope you can study hard and master as much knowledge as possible；otherwise you’ll have to live a hard life _____ .[ ]