Grammar exercise 1 of 4

以前 (yǐqián) and 以后 (yǐhòu): before and after, past and future 语法练习1

Practise 以前、以后、以、前、后 from “以前 (yǐqián) and 以后 (yǐhòu): before and after, past and future”. Answer 14 questions based on 7 example sentences by filling in gaps and putting words in order.