“Be careful, do not stand ___________ to the fire, Jim.” Mrs. Thompson said to her little son.

A ruler is 2 dollars and a pen is 5 dollars. How much are they? -They are

The research project has only been______for three months, so it’s too early to comment on its success.

Jack, you’ve done your homework, ________ you?

Will there be more people in 100 years, do you think? , I hope.