我的解法
Lots of kids were in the swimming pool, many of ________ enjoyed swimming on a hot summer day.
空格後面為不完整句,因此空格應填入關代(所以C、D選項直接刪除)
而many of 應接受詞,所以答案為B
11. Lots of kids were in the swimming po..-阿摩線上測驗