Turtles, seals, birds and dolphins often mistake plastic waste for food. Plastic bags floating in the water can look like jellyfish, for example. After animals eat plastic, their intestines get blocked. (3) ____, their normal food can’t be digested properly. If they eat too much plastic, their stomachs always feel full, (4) ____ they don’t eat anything else. Eventually they can starve to death. Plastic also contains lots of nasty chemicals that can poison animals and cause internal injuries. Furthermore, animals often get entangled in plastic bags. (5)____, they can be suffocated, starved or drowned. It also makes it easier for predators to catch them. The most appropriate connective word to complete number 3 is ….

The storm made the forest pitch dark. Therefore , searching was useless until it abated. The underlined word can be replaced by ….

At an early age, Marie displayed a brilliant mind and a blithe personality. Her great exuberance for learning prompted her to continue with her studies after high school. ____, she became disgruntled ...

"Morning sickness" is the term often used to describe mild nausea and vomiting that occur ____ pregnancy.

Nuclear energy has been a subject to controversy for many years.For some, nuclear energy should not be underutilized as it is considered the most environmentally friendly energy source. (1)____ coal a...

There is little chance that we will succeed in changing the law. ____, we should never stop trying.