What can we students do _____ the environment?
| A．to protect | B．protected |
| C．protecting | D．protects |
--What can you see on the table?
–We can see four ___ and six ______.
| A．bottle of milk, tomato |
| B．bottle of milks, tomatos |
| C．bottles of milk, tomatoes |
| D．bottles of milks, tomatoes |
Mary came ______in the Chinese exam. This is _______time she got the good mark.
| A．first, second | B．the first; the second |
| C．first; the second | D．the first; second |
Six million, six hundred and sixty-six thousand, six hundred and sixty-six is________.
| A．6,666,666 | B．666,666,666 | C．6,600,666 | D．60,600,666 |
The room isn’t big enough for us ________.
| A．to live | B．to live in | C．live in | D．living in |
I hope _________ fun at the birthday party.
| A．to you have | B．you to have |
| C．you having | D．you can have |