she explained ___ she was late because of the heavy traffic.
she explained ___ she was late because of the heavy traffic.应该填什么? she explained ___ she was late because of the heavy traffic.A.what.B.if C.why D.不填 应该填什么?
D 不填。 显然 A 是不合适的,因为连读起来都不通畅(不是 what she meant was to... 那种句型) 在 B 中 if 是指将来(比如 if she's late, then...) 而 C 这个看起来比较符合句子意思的答案其实也是行不通的,因为后面用了 “because of” 这个词组(如果用 why 的话 可以这么说:she explained ...