They were________their invention．They thought they could invent more things to make our life easier．
| A．angry with |
| B．proud of |
| C．strict in |
| D．tired of |
In the museum, we can see fine of art there.
| A．work | B．works | C．jobs | D．job |
-_______is it from your home to the centre of the town?
-Only 10 minutes on foot.
| A．How often | B．How soon | C．How far | D．How many |
In spring, we can often hear some birds_______ in our school.
| A．singing | B．sing | C．to sing | D．sings |
- Bob, can you read the number 2,357,018?
- Yes, I can. It's_______.
| A．two million, three hundred and fifty-seven thousand, and eighteen |
| B．two million, three hundreds and fifty seven thousand, and eighteen |
| C．two million, three hundred and fifty-seven thousands, eighteen |
| D．two millions, three hundred and fifty-seven thousands, eighteen |
Moscow is in．
| A．the UK | B．France | C．Russia | D．the USA |