--- Have you found your lost book_____?
--- No, I haven’t.
A. already B. yet C. Still
Pollution is a serious problem. Scientists will _______ some good ways to save it.
| A．come up with | B．come on |
| C．come out | D．come up |
My father often cooks some delicious food _________for us at home.
| A．herself | B．ourselves |
| C．himself | D．yourselves |
— What did you see?
— I saw many boys________ games near the river.
| A．played | B．playing | C．plays | D．to play |
— What’s the trouble with you?
一I________ a headache.
| A．have | B．take | C．make | D．like |
Students shouldn’t go to school __________breakfast. It’s bad for their health.
| A．with | B．without | C．for | D．by |