It took us several hours to make the old man_____ of the safety of travelling by air.[ ]

I think Tom will _______ a good monitor, so I’m going to vote for him.

is Judy—She is 1.6 meters tall.

By the time I _____the railway station, the train _____.

The government has taken ______measures to stop pollution, hoping to call the attention of all peopleto face the problem. [ ]