My father often reads a book before _____(go) to bed.
问题描述:
My father often reads a book before _____(go) to bed.
答
going
答
going 因为before是介词,后面要加名词或者相当于名词的词
答
going
before he goes to bed == before going to bed
答
你好;
填 going
before是介词, 所以它后面接 动词的 ing 形式