--- Is your favorite subject Math?
--Yes, I am good ___it.
| A．to | B．on | C．at | D．of |
—How many ____are there in the box?
--Nine.
| A．apple | B．a apple |
| C．an apple | D．apples |
–What’s this in English?
---______.
| A．This is a ruler | B．It’s a ruler |
| C．It’s red | D．This is mine |
There ____ many kinds of flowers in the garden.
| A．is | B．are | C．has | D．have |
— What are these?
--- They are________.
| A．a shelf | B．shelfs | C．shelves | D．shelf |