The temperature now is much higher than______of 100 years ago because of more and more greenhouse gas.
| A．this | B．that | C．it | D．one |
Some ________ are in the playground. They are very happy.
| A．child | B．children |
| C．boy | D．girl |
---What do you need? ---I want to buy ___________.
| A．a box of crayon | B．two boxes of crayon |
| C．a box of crayons | D．two box of crayons |
— Kitty, you are a good dancer. — __________.
| A．Sure | B．Thank you |
| C．You’re right | D．No, I’m not |
--________ does he watch a film? --Twice a month.
| A．How long | B．How often |
| C．How far | D．How |
Mr White likes _______home after work.
| A．to walking | B．walking to |
| C．walk | D．walking |