Disjunctively

I ofter go shopping during National Day holiday.

我经常是在国庆节购物。

Poverty is the root of all evils.

穷困是万恶之源。

OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where

00在这里集合，游泳之后再吃午餐。别着急！我们有足够的时间。