Stop ______ about the traffic. Just think about what we can do to improve it.
| A．complain | B．to complain | C．complaining | D．complained |
— Our teacher told us that these exercises were __________.
— Really?
| A．far more easy | B．much easier | C．even more easy | D．so easier |
Our rooms are bigger than .
| A．yours | B．them | C．their | D．your’s |
Yaoming is one of in the world.
| A．best players | B．the best player | C．best player | D．the best players |
Which is of the two boys?
| A．the tallest | B．the taller | C．taller | D．tall |
There were __________ animals in the forest many years ago.
| A．thousand of | B．thousands of |
| C．three thousand of | D．three thousands of |