Question

Half a month passed and the boy ________ all his money, so he had to turn to his friends for help.

A．ran out

B． ran out of

C．ran across

D．ran away with

Answer 1

B

本题考查动词短语辨义。句意：半个月后，男孩用光了所有的钱，因此不得不向朋友求助。A. run out用完,用尽。只能是物作主语，后面不能加任何东西，也没有被动；  B.  run out of用完,用尽。后面加“用完,用尽”的东西，也有被动，一般是人作主语；  C. run across偶然发现；偶然碰见  D. run away with偷走。结合句意和短语的用法可知该选B。