People visit their friends and .（  ）

A．relative

B．relatives

C．relate

用所给词的正确形式填空。
1. We can use solar panels to__________(change)sunlight into electricity.
2. It __________（be）motion energy.
3. They come from the remains of dead __________ (plants) and __________ (animals).

—I have some _______. ( )
—I have some chicken.

A．vegetabls

B．vegetable

C．vegetables

Read and write(用所给词的适当形式填空)
【小题1】—Is this your new bicycle, Alice?
—No, it’s not _________ bicycle. __________is over there. Please bring it to _________. (I)
【小题2】—Look! There are three _________ on the table. Which _________ do you like?
—The blue one. (poster)
【小题3】There are _________ days in October. Halloween is on the _________ day. (thirty-one)
【小题4】—Does Mary like __________?
—Yes, she can __________ very well. She _________ twice a week. (swim)

There are twelve ________ in a year. (    )

A．month

B．months

C．days