--- The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?
--- ____ my students have a try?
| A．May | B．Must | C．Will | D．Shall |
Letters to the editor must carry the writer’s full name, which indicates that writers are _____for what they say.
| A．considerate | B．reasonable | C．independent | D．responsible |
It was shameful to be found sleeping in class. His classmates’ laughter only_____ his embarrassment.
| A．added to | B．appealed to | C．referred to | D．applied to |
She was not beautiful, she didn’t _______her mother, who was a beauty.
| A．like | B．imitate | C．resemble | D．represent |
He suddenly saw Sue across his room ,so he ______his way through the crowd to get to her.
| A．felt | B．pushed | C．struggled | D．wound |
Polar explorers have to be extremely______ to bear the climate and other hardships.
| A．tough | B．rough | C．difficult | D．brave |