Who is the girl _____ a letter there? A writing B written C to write D being written

问题描述:

Who is the girl _____ a letter there? A writing B written C to write D being written

Awriting做伴随状语,“那个在写信的女孩是谁?”女孩和写信之间是主动关系,不能用过去分词,排除BD做伴随状语,用动词ing形式Who is the girl writing a letter there = Who is the girl (who is) writing a letter the...