--The charity has raised _______ money for the sick children who come from the poor family.
---How great! It’s everyone’s duty to help the people in need.
A. a lots of
B. plenty of
C. a large number of
She said she returned the book to the library．I'm sure she ________．
| A．did | B．does |
| C．is | D．was |
一Do you know why he didn’t ________ a word when he ________ to?
—Because he was too nervous．
| A．speak；speaks | B．say；Was spoken |
| C．say；spoke | D．speak；is spoken |
—Do you know the price of the ticket?
—Yes．Each ________ ￥180．
| A．pays | B．costs |
| C．takes | D．spends |
You mustn’t go off on your own，because you ________ get lost in the mountains．
| A．should | B．must |
| C．need | D．might |
一Diaoyu Island belongs to China．
一Surely it does! We Chinese never ________ it up．
| A．cut | B．fix |
| C．give | D．put |