1. he said he was an aerospace engineer
2. she says she works in the National History Museum
3. the Doctor said their son studies at university
4. the Astronaut said they are in space
5. He says he teaches physics to his friend
6. Mother says she loves the youngest girl
Answer:
b your schedule the rest incorrect
The subject does agree with the verb because the subject is students and the verb is use. The subject is plural and the verb is singular.
“because the train will arrive any minute”
adverb clauses usually start with because, after, if, although
Go with letter C that is your best bet mate