—Would you like to walk along Yueya Lake with me tomorrow afternoon?
—Certainly, ______ I am too busy.
| A．when | B．until | C．unless | D．since |
The kid isn't old enough to go to school.
| A．is not too young to go to school |
| B．is too young to go to school |
| C．is so young that he can go to school |
| D．can go to school |
When a child realizes he should stand on his own feet, he has grown up.
| A．stand up quickly |
| B．go somewhere on foot |
| C．get up by himself |
| D．depend on himself |
Lucy met her mother in the park by chance.
| A．with accident | B．by accident |
| C．by mistake | D．by opportunity |
Tom helped the teacher to hand out the test papers, didn’t he ?
| A．come out | B．give out | C．take out | D．put out |
—Who broke the window?
— ______. A strong wind broke it last night.
| A．Somebody | B．Anybody | C．Nobody | D．Everybody |