单项选择题
A. No sooner it grew dark than B. Hardly did it grow dark when C. Scarcely had it grown dark than D. It was not until dark that
A. He gives Sarah some medicine. B. He gives Sarah some advice. C. He gives her a check. D. He gives Sarah some pills.
A. X-515 sells better than X-525. B. X-515 sells as well as X-525. C. X-525 sells better than X-515. D. X-525 doesn’t sells as well as X-515.