| None of the assistants were _____ when the professor needed some help. |
A. available B. accessible C. inevitable D. appropriate |
| The volunteers were so kind that they devoted most of the time _____ the disabled. |
A. to help B. helped C. helping D. to helping |
| The girl looked at me with a _____ expression. Maybe the problem was quite _____. |
A. puzzled; puzzling B. puzzling; puzzled C. puzzled; puzzled D. puzzling; puzzling |
| ― Who are these people with banners? ― A group _____ itself the league for Peace. |
A. calling B. called C. calls D. is called |
| Last night Bill returned from his office to find his sister _____ unconsciously beside the sofa. |
A. lying B. laid C. laying D. to lie |
| The most important thing about cotton in history is _____ part that it played in _____ Industrial Revolution. |
A. / ; / B. the ; / C. the ; the D. a ; the |
| _____ by the beauty of nature, the girl from London decided to spend another two days on the farm. |
A. Attracting B. Attracted C. To be attracted D. Having attracted |
| In October, the price of the ______ to Mount Tai has risen by 50 yuan. |
A. permission B. admission C. introduction D. instruction |
| _____ tomorrow, our ship will set sail for Macao. |
A. However the weather is like B. However is the weather like C. Whatever is the weather like D. Whatever the weather is like |
| Leaves are found on all kinds of trees, but they differ greatly ______ size and shape. |
A. on B. from C. by D. in |