---Is this your basketball?
--- ________.
| A．Yes, it’s. | B．No, it’s not. | C．Yes, it is. | D．No, it is. |
—I hear you are in my town．________any time you like．
—I’ll if I have time．
| A．Drop by |
| B．Come out |
| C．Show up |
| D．Run off |
—I haven’t worked the problem out yet．What am I supposed to do?
—Try again!It’s only________difficult．
| A．a lot |
| B．a bit |
| C．too much |
| D．too many |
I’m not sure，but he’s supposed________sometime next week．
| A．return |
| B．returns |
| C．to return |
| D．returning |
—You must________the bottle before you take the medicine．
—OK，I will．
| A．break |
| B．shake |
| C．cover |
| D．throw |
—A number of foreigners come to see the Great Wall every year．
—Yes．It’s not only famous and beautiful but also the________of China．
| A．riddle |
| B．mark |
| C．capital |
| D．symbol |