| A．is, doing | B．is,do | C．does, do |
| A．里面 | B．外面 | C．角落 | D．中间 |
| A．at; in | B．at; on | C．in; to |
| A．lake | B．river | C．tall buildings | D．mountain |
| A．Who can use the computer? | B．What can use the computer? |
| A．I’m helpful. | B．You are helpful. |
| A．I can try it. | B．I’d like to have a try. |
| A．on | B．in | C．over | D．at |
| A．do the dishes | B．cook the meals |
| C．set the table | D．wash the clothes |
| A．tomato and mutton | B．tomatoes and mutton |
| C．tomato and muttons | D．tomatoes and muttons |
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