I hear the tall girl wearing glasses is your new classmate. She’s from America, _____ ?

People who eat a balanced diet should be healthier than those who only eat biscuits and hamburgers,              ______?

There was little milk in the fridge, _______? ______, please go and buy some.

--- He hardly spent any time on his subjects, ____________ ?--- _______________, so he does badly in his lessons. 

It’s important _______ you to learn Chinese well.