Question

It was 5 o'clock _____ he returned home.

It was in 1845 _____ my father made the decision to move west with twenty other families.

A. that B. when C. who D. which

It was 5 o'clock _____
he returned home.

A. that B. when C. who
D. which
选什么？为什么？

Answer 1

1. It was five o'clock 【when】he returned home.（时间状语从句）
   

2. It was in 1845 【that】 my father made the decision to move west with twenty other families.（强调句）
   

Answer 2

1. 选A。这个是强调句型It is ......that.......。

2. 选B。当他回到家的时候，五点了。

Answer 3

1that同位语
2when作时间状语