Nobody noticed the thief slip into the house because the lights happened to__________.
| A．put up | B．give in | C．be turned on | D．go out |
---Do you still have a headache, Billy?
--- No, it's ________. I'm all right now, mum.
| A．dropped | B．run | C．left | D．gone |
They _______ some books from the liarary last week.
| A．lend | B．lends | C．buy | D．borrowed |
The tree must ________ three times a week.
| A．water | B．is watering | C．be watered | D．waters |
At weekends I prefer _______ at home to _______out.
| A．stay, going | B．staying, go | C．staying, going | D．to stay, go |
The sign " ________" is usually seen on the box with glass in.
| A．PULL | B．CLOSED | C．DANGER | D．FRAGILE |