I ______ that he’s a hardworking teacher．
| A．never doubt | B．always doubt | C．seldom ask | D．often wonder |
【2012贵州安顺】It’s difficult for the village children to cross the river to get to school．We think a bridge_____ over the river．
| A．was built | B．should be built |
| C．has been built | D．is being built |
【2012广东】Jenny in the kitchen when you called her at 5 o'clock this afternoon.
| A．is cooking | B．was cooking |
| C．cooks | D．cooked |
【2012北京】Today, computers are really helpful. They ____ everywhere.
| A．use | B．are used |
| C．used | D．were used |
【2012贵州贵阳】In order to make our hometown more beautiful, trees _______ around the city every year.
A. plant B. are planted C. will plant
【2012福建福州】— Our classroom____________every day.
— So it is. It's our duty to keep it clean and tidy.
A. cleans B. is cleaning C. is cleaned