Hold on to your dreams, _____ they will come true some day.
Thank you very much for __________ us so well.
Tom and Mary _______ to China last month.
--- What’s the use of this kind of fuel(燃料) ?--- It can make the train __________ fast.
---Help yourself to some chicken , Jim . ---__________________
In our class, Andy is the __________ . He always makes everybody laugh .