—Dear, put the knives out of the kids’ touch!
—OK. I’ll do it right away. It’s quite necessary to keep ______.
| A． |
quiet |
B． |
warm |
C． |
safe |
When I came back yesterday evening, my brother _______ his homework.
A. is doing B. has done C. was doing
—How often do you see your grandparents?
—_______.
A. Five days B. Once a month C. In a week
I usually go to school on _______ foot.
A. a B. the C. /
Wang Yaping is the first woman astronaut who taught lessons in space. Do you know _______?
| A．where is she from | B．where does she come from |
| C．where she comes from | D．where he comes from |
You aren’t supposed to ask the boy to buy things for you. _______, he is too young.
| A．In general | B．After all | C．To my surprise | D．To start with |