----When did ______ accident happen?
-----Let me see. It was on _____ very hot afternoon in August.
| A．the; the | B．an;/ | C．the; a | D．an; the |
— Did you attend the meeting?
— I would have known the news if I___ it.
| A．had attended | B．attended |
| C．should attend | D．would attend |
The great hall was crowded with many people, including many children____ on their parents’ laps.
| A．seated | B．seating |
| C．sat | D．being sat |
— Where will you start your work after graduation?
— Mmm, it’s not been decided yet. I____ continue my study for a higher degree.
| A．need | B．must |
| C．would | D．may |
It is _____to spend a great deal of money on such meaningless and useless things.
| A．cautious | B．curious |
| C．ridiculous | D．particular |
____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.
| A．While | B．As | C．If | D．Since |