Question

—Mrs White, why are you standing here?—I’m waiting for my son. He ___________ back from school.

—Mrs White, why are you standing here?—I’m waiting for my son. He ___________ back from school. A．didn’t come B．won’t come C．hasn’t come D．hadn’t come

Answer 1

C

试题分析：句意：怀特夫人你为什么站在这里？我正在等我的儿子，他还没有从学校回来。动作发生在过去但强调对现在的影响用现在完成时。该句没有回来对现在的影响是在等他回来，故用现在完成时态，故选C