The scientists predict that if present trends______, women in 400 years will be 2cm shorter and have healthier hearts.
— ____ you read the newspaper? — Yes. I ____ it on the bus while I was on my way to work.
We ____ on this project for four hours. Let’s have a rest.
Internet shopping is really ____ when people are sure of its safety.
Tired, Jim was fast asleep with his back ____ a big tree.
To tell ____ truth, his coming is really ____ big surprise to most people present at the party.