Insects appeared on the earth before long the earliest mammals.

Despite of the law, people continue to use mobile phones while driving.

.…………you plan to be walking after dark or not, it is a good idea to take a torch along when you are hiking in rough terrain.

.…………not openly, I disagree with him, as I didn't want to quarrel.

.…………you eat plenty of fresh fruit and vegetables, and get plenty of exercises can you be really healthy.

"Phil borrowed the car without asking last night."

"I know, and…………, he asked me for a raise in his allowance."

Simon crept into the house very quickly…………his parents would not notice how late he was.

Everyone wondered what Tom's reaction to the accident would be;…………, it was his bicycle that was in pieces.

Theatre audiences should turn off their mobile phones…………distract the actors should they ring during the play.

"Won't I find the philosophy course hard to follow?” "No. Contrary with what you might expect, everything is explained in very simple terms."             

Crash diets are not a recommended means of weight loss…………they can lead to malnutrition.

I hadn't understood his directions; however, I asked him to repeat what he'd said.

Many ordinary people don’t realize that fat is not digested in the stomach…………in the small intestine.

.…………injecting insulin, it is now possible to treat some forms of diabetes with a combination of diet and exercise.

Eggs are generally good for your health,…………, of course, you exaggerate and eat an excessive amount of them.