It was because the traffic was very heavy during the rush hour,I was late again.这句话对吗?我认为应该把“,”改成that

Question

It was because the traffic was very heavy during the rush hour,I was late again.
这句话对吗?我认为应该把“,”改成that

Answer 1

嗯,有道理,既然有“it was”在句首就是要使用强调句的,应该换成that.
（不过可以改的简练点：it was because of the heavy triffic during the rush hour that i was late again）