Read and complete :Use:And, or, but, because​

2. but

3. or

4. because

5. because

1. i must brush my teeth. - anyone, most likely some disobedient child.

2. i have to brush my teeth. - a patient of dentist's, a human with diseased tooth.

3. i must tidy my room. - anyone, most likely some disobedient child.

4.i have to tidy my room. - anyone, probably a child.

5. i must take the medicine. - someone with easy form of illness.

6. i have to take the medicine. - most likely, a regular patient

good evening.

hello!

let me introduce my friend alex.

pleased to meet you.

i haven't seen you for ages.

i didn't recognize you!

i'll see you tomorrow then.

goodbye!

how are you?

fine,thanks.

excuse me,is anybody sitting here?

i'm afraid this seat is taken.