I think C but not positive
Answer:
it is very simple but very important
1 they do not make spelling mistakes...
2 they have a strong grammar concept...
3 they stay away from plagiarism
4 they try to summarize whole topic to make it easy to understand
5 they try to write different topics in comparison...
Explanation:
O>O
When, whenever, while, as soon as, after, since, as, before, until
1. Travelers can use credit cards in foreign countries__________they are accepted.
2. Tonight I will go to bed after I _________________________my homework.
3. Ever since I was a child, I ____________________________________ afraid of dogs.
4. Jacquie's contact lens popped out while she _____________________basket ball.
5. Be sure to reread your composition for errors before you _________________ it in to the teacher tomorrow.
6. arrivals department/ the tourist/when/her belongings/were falling/ out of/she/ got to/ the/ noticed/ that/ her/ open baggage.
7. often/ are grown/ people/ the/ walk by/flowers/ where.
Answer:
thesarus.com, it shows synonms and antonyms.