In the rice-growing world, ______ Chinese scientist, Yuan Longping, is ______ leading figure.
| A．a; the | B．the; a | C．a; a | D．the; the |
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The living room is clean and tidy, with a dining table already ________ for a meal to be cooked.
| A．laid | B．laying | C．to lay | D．being laid |
Dina, _______ for months to find a job as a waitress, finally took a position at a local advertising agency.
| A．struggling | B．struggled | C．having struggled | D．to struggle |
—I’m afraid Mr. Wood can’t see you until 4 o’clock.
—Oh, _______ I won’t wait.
| A．no doubt | B．after all | C．in this way | D．in that case |
_______ the secret of nature, the young scientist h
as little time for entertainment.
| A．Devoted to bring out | B．Devoted himself to bringing out |
| C．Devoted to bringing out | D．Devoting to bring out |
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