— The floor is dirty.
— Yes. It _______ for two days.
| A．hasn’t swept | B．didn’t sweep | C．hasn’t cleaned | D．hasn’t been cleaned |
Many children, ____ parents are away working in big cities, are taken good care of in the village.
| A．their | B．of them | C．whose | D．with whom |
Though most people are ____ the dangers of driving after drinking, many still insist on drinking alcohol.
| A．dying for | B．annoyed at | C．aware of | D．realize |
The notice came around two in the afternoon _____ the meeting would be put off.
| A．when | B．whether | C．that | D．how |
Though____ with housework all day long, Julia managed to spare some time to learn Chinese
| A．occupying | B．occupied | C．being occupied | D．occupy |
Maria has written two novels, both of _________ have been made into television series.
| A．them | B．that | C．what | D．which |