Mr. Smith stood beside the window, his attention ____ the car outside.
| A．focuson | B．focusingupon | C．focusedon | D．beenfocusedon |
As you ______ new words in context, it is a very good method for you to guess their meanings.
| A．come about | B．come across | C．come out | D．come up |
Charles Babbage is generally considered ____ the first computer.
| A．to invent | B．inventing | C．to have invented | D．having invented |
Look at the trouble I am in. If only I _____ your advice.
| A．followed | B．would follow | C．had followed | D．should follow |
This is ____________you are mistaken.
| A．what | B．which | C．where | D．that |
Was it in the village ______ we used to live in _________ the accident happened?
| A．that; where | B．which; that | C．where; that | D．which; where |