问题
选择题
---- Can I see the headmaster at the moment, please ?
---- I'm afraid not. He ________ out. He ________ in 10 minutes.
A．has gone; comes
B．gone; came
C．has been; will come
D．has gone; will come back
答案
答案：D
根据答语的第一内容可知前一空，用现在完成时，表示校长已经出去了，而后一空则用in+一段时间，表示将来时态，故选D