They learned it all by themselves. That is to say nobody told them ________ .
| A．what to do it | B．how to do it | C．where to do | D．when to do |
Smoking is bad for your dad’s health. You’d better ask him to ______.
| A．give up it | B．give it up |
| C．take out it | D．take it out |
— What was your brother like when he was young?
— He _______ be quiet, but now he’s very outgoing.
| A．was used to | B．used to |
| C．used by | D．was used for |
— If you like the new car, why not buy it?
— But it’s really expensive. I can’t ______ it.
| A．afford | B．cost | C．spend | D．pay |
— I’m not the dark any more.
— Oh, you’re brave now. Great!
| A．proud of | B．worried about |
| C．angry with | D．terrified of |
— Please turn off the light.
— OK, Mom. I won’t leave the room ______ the light _____.
| A．when; on | B．with; on |
| C．with; off | D．when; off |