请注意 this 和 that 的复数分别是 these 和 those,不要搞混淆了!
一,1.They are students.
2.Are those English cars?
3.What colors are the pens?
4.Is there any apple in the bag?
5.That is not my book.
二,1.Is he a teacher?
2.I don't ride a bike.
3.What color is the car?
4.What is your favourite sport?
5.Where is the pen?