---- _________ there any grass and trees in front of your house?
---- No, but behind the house ________ some trees.
| A．Is; are | B．Are; is |
| C．Are; are | D．Is; is |
The firefighters tried their best to________the forest fire．
| A．work out |
| B．look out |
| C．put out |
| D．keep out |
The first question is________harder than the second one．
| A．a lot of |
| B．a lot |
| C．very |
| D．more |
—The little girl________her seat to an old man on the crowded bus．
—How kind she is!
| A．took |
| B．brought |
| C．borrowed |
| D．offered |
If you want to study abroad，why not consider________to Australia?
| A．go |
| B．to go |
| C．went |
| D．going |
Lisa remembered________her mother．But her mother hash’t received the letter．
| A．to write |
| B．writes |
| C．writing |
| D．wrote |