are,what,they,colour
____________________________________
努力工作(译成英语)_________
Thechildrenhavesomeapples.(改为单数句子)
Acartravelsatarateof50milesperhour.Howlongwillittaketotravel300miles?
Thereare_____studentsinourclass.Thatis19boysand21girls。
()Look!Thecatis_______.