--So you know Catherine?
---Yes, it was last week_____ she came to visit my roommate Jane.
| A．that | B．when | C．since | D．before |
in a white uniform, he looks more like a cook than a doctor.
| A．Dressed | B．to dress | C．Dressing | D．Having dressed |
His sister left home in 1998,and_______ since .
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
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 |