have the most supportive parents and teachers, ________willmake a difference to our study, unless all of us make every effort .

Heilongjiang is in the _______ of China.

I can’t find my mobile phone anywhere.—You _____ have lost it while eating out.

u played baseball beforeWe need one more player____I like ball games ,no ibelieve it will be to learn baseball

Excuse me, could you tell me where I can buy some _________— Sure. There’s a post office at the first crossing.