－Where is your father ?
－He is at work . He always has lots of work __________ .
| A．do | B．to do | C．doing | D．does |
Both his parents look sad . Maybe they __what's happened to him .
| A．knew | B．have known |
| C．must know | D．will know |
I have________ read Robinson Crusoe , but I haven’t read Tom Sawyer ______.
| A．already; already | B．yet; yet |
| C．yet; already | D．already; yet |
If we work hard, our future will be _________ hope.
| A．because of | B．full of |
| C．instead of | D．proud of |
—I’m really sorry to have broken your coffee cup. --_________.
| A．Good idea. | B．That’s all right. |
| C．I don’t think so. | D．You are welcome |
He used his ________ money to buy a book.
| A．remain | B．remained |
| C．remains | D．remaining |