I think you should go back to your ______ plan, which is much more practical than the present one.

  ------Where did you first meet your boyfriend?

------It was in the department store ______ he worked.

We were told not to touch the equipment in the laboratory unless ________.

The young scientist has made such great achievements in his chosen field ______ nobody else can make.

According to the rules, students ______ get grades not lower than 85% in any subject in order to get the scholarship.

------Have you known each other for long?

------ Not very, ________we started to work in the ABC Motor Company.

It’s ____ you behave in difficulties that shows what you are really like.

------You ran into Mr. Li! How did that happen?

------Well, _______ of us was looking where we were going. We came around the corner at the same time.

------What's the matter with Tim?

------Oh, Tim's cell phone was left in a taxi accidentally, never ________ again.

Will you ____ it that my birds are looked after well while I'm away?