1. (2021一下·龙华期中) 选词填空

What   This  These  There   mangoes   his

1. （1） is a watermelon.
3. （2） —What is this?

   — is a clock.

5. （3） — can you do?

   — I can draw.

7. （4） —What are these?

   — are computers.

9. （5） He has five pens in school bag.
11. （6） —How many  are there?

    —There are four mangoes.