_______ you work hard, you won’t solve this problem

Can a plane fly _______ the Atlantic Ocean–Yes, but it needs to go _______ the clouds forhours.

My uncle is a writer. He ______ many books since he was young.

There is lots of wonderful English ________ in this movie, we can learn English by watching it.

My daughter is not sure what to_______ at the university; she can’t make up hermind about her future.