Choose the right words to complete the sentences.

Choose the correct option.

It's high time [you found|you find|you to find] a new job.

[Does Ann know|Ann does know|Ann know does] all about dogs.

[It was at the library who|It was at the library which|It was at the library that] Jack met Lily yesterday.

[The reason why did she leave |The reason why she left |The reason why she did left] was because she was afraid of losing.