I was cooking in the kitchen when Dora returned, her face _________with mud and sweat.
| A．covering | B．having covered |
| C．covered | D．to cover |
Don’tletthesadnessofyourpastandthefearofyourfuture ___thehappinessofyour present.
| A．to ruin | B．ruin | C．ruining | D．ruined |
— I’m sure Andrew will win the first prize in the final.
— I think so. He ______ for it for months.
| A．is preparing | B．was preparing |
| C．had been preparing | D．has been preparing |
There are many things in different areas ________ we can do to reduce the possible dangers of AIDS.
| A．that | B．there | C．what | D．where |
Every time she was in trouble, she went to him for help, as he said he _____ do anything for her.
| A．should | B．must | C．would | D．might |
John plays basketball well, _____ his favorite sport is badminton.
| A．so | B．or | C．for | D．yet |