Заполните пропуски глаголами to think и to know. answer answer the answer answer answer

1) We think we know the answer
2) You think you know the answer
3) He thinks he knows the answer
4) She thinks he knows the answer
5) They think they know the answer

1) We think we know the answer.
2) You think you know the answer.
3) He think he knows the answer.
4) She think she knows the answer.
5) They think they know the answer.