Question

7. The street got so crowded that I had to the motor and waited impatiently.

   A. switch off   B. turn on

   C. open up   D. close down

Answer 1

7. A

7. A解析：switch off意为“关闭”，符合 句意。句意:路上变得如此挤，以至于我 不得不关上发动机耐心地等着。