The earth is our home.We should play a part in the earth.
| A．save | B．to save | C．saved | D．saving |
I wonder ______.
| A．how much did your coat cost |
| B．how much is your coat cost |
| C．how much does your coat cost |
| D．how much your coat costs |
-- Our city _____ a lot in recent years. -- Yes. It’s becoming more and more beautiful.
| A．has changed | B．changed | C．changes | D．change |
-- ______ is it from your home to school? -- Two miles.
| A．How long | B．How many |
| C．How much | D．How far |
--May I swim in the lake, mum? --No, you_______. Look! Here is a notice “No Swimming!”
| A．mightn’t | B．mustn’t |
| C．needn’t | D．may not |
Mary felt happy to receive some gifts on ______ birthday.
| A．twelve | B．twelfth | C．the twelfth | D．next |