We __________ water to __________ clothes. (    )

A．use; wash

B．using; washing

C．use; washed

选出错误的选项，并改正。
（_______） 1. How beautiful flowers!改正：__________
A     B
（_______） 2. It begin around December. 改正：_________
A B
（_______） 3. This farmer is pick apples. 改正：________
A B
（______） 4. Children makessnowmen. 改正：_________
A B
（_______） 5. The days get shorter or shorter. 改正：_________
A B

Can you _______ it to your friends? (  )

A．tell

B．tells

C．told

D．is telling

根据汉语提示完成句子：Can you ________ (看)a bird in the tree?

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).