The 4th one is correct! :)
could you add me as best answer?
Answer:
B.
Explanation:
A clause is a group of words that includes a subject and a verb. A clause can be distinguished from a phrase, which does not contain a subject and a verb
It kind of helps people work together, a lot of people tend to slack off more if they can't exactly work together.
1. Have, been
2. visited
3. was, have, been
4. took. visited
5. have, visited
6. couldn’t see
(Please make sure to recheck as the answers may not be totally correct)
