Question

(1)It was-----my brother was about to set off-----it begin t

Answer 1

1.A

强调句

此句强调时间.可还原为It begin to snow when my brother was about to set off.这里用it was 强调式.

此句可译为我兄弟正要出发,突然就开始下雪了.

2.B

此名是定语从句.选一个关系代词.我们看到 spend 缺少一个宾语,因此只能用that来代替the happiest hours.

此句译为:

我忿然记得我们一起度过的那些时光.