问题
选择题
— He said he would arrive _____ six o’clock. But now it’s nearly seven.
— Maybe he will arrive _____ a few minutes.
A．at; in
B．in; in
C．after; after
D．in; after
答案
答案：A
表示在具体的时间前用介词at，表示在多久时间以后通常用介词in，故本题选A。