The stranger to walk into the building in the early morning was probably a salesman.
| A．seen | B．to see | C．to be seen | D．seeing |
in a white uniform, he looks more like a cook than a doctor.
| A．Dressed | B．to dress | C．Dressing | D．Having dressed |
_______nice, the music in this film became popular soon after the film come about.
| A．Being sounded | B．Sounding | C．Sounded | D．To be sounded |
After two hours of walking, they came to the camp site, ______ .
| A．hungry and tiredly | B．hungrily and tiredly |
| C．hungrily and tired | D．hungry and tired |
—______ that he managed to get the book?
— Oh, his sister helped him.
| A．Where was it | B．What was it | C．How was it | D．Why was it |
Tom has been out of work for two years, so he has difficulty______.
| A．earning living | B．earning his living | C．to earn livings | D．to earn his living |