I have three brothers. They are all ____________.
| A．man doctor |
| B．man doctors |
| C．men doctor |
| D．men doctors |
The price of this computer is the ______ of the three.
| A．smallest | B．biggest | C．highest | D．tallest |
The _____ now is that we have many _____ to ask.
| A．problem; questions | B．problems; question |
| C．question; problems | D．questions; problem |
When spring comes, the days get ____ and the nights get _____.
| A．long; short | B．short; long |
| C．shorter; longer | D．longer; shorter |
Uncle Wang made his kite_____higher in the sky.
| A．fly | B．to fly | C．flies | D．flying |
The sun is_____bigger than the earth.
| A．more | B．many | C．much | D．most |