I can't leave.She told me that I ________ stay here until she comes back.

(2014·厦门模拟)You will________your chances of getting a pay rise if you don’t work harder than others.

Alice trusts you，only you can     her to give up the foolish idea．

The more one is ______ the English－speaking environment，the better he or she will learn the language.

I tried to ______ Tom last night, but no one answered the phone.