Grammar exercise 1 of 2

How to use 碰 (pèng), 碰见 (pèngjiàn) and 碰上 (pèngshàng) 语法练习1

Practise 碰、见、上 from “How to use 碰 (pèng), 碰见 (pèngjiàn) and 碰上 (pèngshàng)”. Answer 7 questions based on 5 example sentences by filling in gaps and putting words in order.