Question

1,The way __he explain the sentence to us was not difficult

Answer 1

1.that/in which/不填

2.which

3.C

解析：way后面跟定语从句时,若缺少成份,则用which

若从句结构完整,则用that,in which或不填 三种选择都可

2题缺少接explain的宾语,

3题C就是利用不填这种情况