There ________ a cat on the floor. (  )

A．is

B．are

用所给词的正确形式填空。
【小题1】We should stop _________ (throw) rubbish into rivers.
【小题2】In the past, the Earth _________ (be) clean and beautiful.
【小题3】My brother is __________ (plant) trees in the backyard.
【小题4】The Earth __________(get) sick now.
【小题5】We shouldn’t __________ (cut) down so many trees.

Read and circle the wrong one:
Therewas apples for all.
A   B C

—_________ you at the park? (   )
—No, I wasn’t.

A．Was

B．Were

C．Are

句子改错
1. Are you at the kitchen?
____________________________________________________________
2. Candies is bad for your teeth.
____________________________________________________________
3. Vegetables can keep your body health.
____________________________________________________________
4. Bring to me a cup of tea, please.
____________________________________________________________
5. You’re eat candy again.
____________________________________________________________