1. That restaurant looks nice. Yes, but it looks expensive. Let’s go in ...

1. Do you know what day it is today? What do you mean? Is it a special d...

Scales and rulers are used to measure weight and length. Units of weight...

Mammals are covered by hair or fur, have a backbone and are warm-blooded...

1. In modern times we humans face changing conditions. For humans to liv...

1. There are many forms of life on Earth, including human beings. Life e...

1. Do you ever look up at the sky and think about life and universe? I d...

1. QuickServe has an excellent reputation. Its prices are reasonable and...

1. What’s in that big box you are carrying? It’s a new desk. I just boug...