_______yogurt do you need?
-Three cups．
| A．How long | B．How far | C．How many | D．How much |
My mum _______ a teacher when I grow up.
| A．wants | B．wants to |
| C．wants me to | D．wants me to be |
Mark is always ready to help those who are in trouble.
| A．helps | B．to help | C．help | D．helping |
—The cakes are quite delicious! Can I have some?
— Sorry, there is_________ left .What about some biscuits?
| A．no one | B．nothing | C．nobody | D．none |
The woman became famous ______ the new song.
| A．because | B．when |
| C．because of | D．as long as |
My watch doesn’t work, so I decided______ a new one.
| A．buying | B．not to buy |
| C．to buy | D．to not buy |