You must do your homework; otherwise , you might get a bad grade.

2. He’s seventy two, but he still swims, runs and plays football regularly.

3. John studied hard for the math exam; therefore he got an A+.

4. Do you want a cup of tea, or would you prefer coffee?

5. Smoking gives you bad breath, moreover it’s harmful to your health.
 

.6There are many learning English websites; …however , some of them aren’t free

7 I like to read, so my grammar is always on-point.

8 I hope you’re feeling better and will be back at college soon.

9. Engineering is an interesting career. Therefore, you have to be good at maths.

10. To be a doctor you have to study biology, so chemistry is also important.