----- “Where is Mother.”
------ “She is still in the kitchen. She _______ the housework all morning.”
| A．is doing | B．was doing | C．has done | D．has been doing |
More than _____ of the workers _____ from Paris.
| A．ten percent, is | B．ten percent, are |
| C．three times, was | D．percent ten, comes |
Despite the wonderful acting and well-developed plot the _____ movie could not hold our attention.
| A．three-hours | B．three-hour | C．three-hours' | D．three-hour's |
We elected him _____ headmaster of the school for _____ second time.
| A．/, a | B．the, a | C．the, / | D．/, / |
--What does Tom study?
--He studies _____ science of _____ sound.
| A．the, / | B．/, / | C．/, the | D．the, the |
It’s _____ pleasure to see _____ sun rising in _____ east.
| A．/, the, / | B．/, the, the | C．a, the, the | D．a, /, / |