Question

There are some students ________ in the English lesson.
A. are sleeping B. sleeping C. to sleep

Answer 1

B

試題分析：句意：在英語課中有一些學(xué)生睡覺。V-ing形式短語作后置定語，故選B。
考點(diǎn): 考查非謂語動詞的用法。