Why was he late for school yesterday?

He overslept. When he arrived at the bus stop, the bus had already left.

A. used to be; Leave B.has and leave C. meeting; Leaving the left of D.had

Answer: d

The bus came before it arrived, so it used the past perfect tense.

choose

We are gathered here today.

A both

B both.

C is everything.

Everything is

A: A.

Analysis: adverbs are placed after be verbs.