No one knew what because of the thick fog.
| A．he had happened | B．had happened to him |
| C．had he happened | D．has happened to him |
Is her lifestyle the same ______ yours or different?
| A．as | B．in | C．at | D．to |
What is ________ you，young man?
| A．matter with | B．the matter with | C．the matters with | D．the matter to |
－______do you go to the city park?
－Usually by bike.
| A．How's | B．How | C．What's | D．What |
His mother wants him _____ at home today.
| A．stays | B．stayed | C．to stay | D．staying |
______homework, some students do homework every day.
| A．As for | B．As | C．About | D．To |