Bill announced his experiment results at the meeting. All the people present were excited at his findings, （complex sentence）

You cannot expect everything to be perfect. You don’t know what will happen tomorrow, （compound sentence）

The ocean stores more than nine-tenths of the heat. The heat is trapped on Earth by greenhouse-gas emission, （simple sentence）

The little boy  couldn’t decide whether to go to the beach with his mom. The little boy couldn’t decide whether to play games at home, （parallel structure）

Mobikes are very convenient They may sometimes bring trouble to road safety. They are not properly used or parked, （compound-complex sentence）

Many of your decisions are shaped by your living environment including the medicines you take and the education you seek for your children.

We need to reflect on what has been achieved over the past ten years. To understand what is happening now.

Previously viewed as an exploration of the unconscious, scholars now also see Alice in Wonderland as social and political criticism.

My first-year philosophy professor was inspiring, lively and with much patience.

Sales are up this quarter, however, expenses have increased as well.