A low-carbon(低碳) lifestyle has an effect our daily life. People are paying more and more attention to energies these days.
| A．in; save | B．in; saving | C．on; save | D．on; saving |
Mary is fromAmerica.
| A．the USA | B．the UK |
| C．Cuba | D．China |
Michaelis from America.
| A．come from | B．comes from |
| C．be from | D．isn’t from |
He has a ____ daughter.
| A．two-year-old |
| B．tow-years-old |
| C．two years old |
| D．two-year old |
There is a river ____ my house.
| A．in the front | B．in front |
| C．in the front of | D．in front of |
— What were you doing yesterday afternoon?
— We were singing ____.
| A．all the time | B．always |
| C．on time | D．in time |