问题补充:
He goes to see his grandparents and stays with them for.
A. sometime, some time
B. some times, sometime
C. sometimes, sometime
D. sometimes, some time
答案:
A. sometime, some time
B. some times, sometime
C. sometimes, sometime
(答案→)D. sometimes, some time
解析:考查近义词辨析。句意“他有时去看他的祖父母,和他们待一段时间。”sometime“(过去或将来的)某时”;sometimes“有时”;some time“一段时间”;some times“几次”。故选D。