—Can I pay the bill by check?—Sorry，sir．But it's the management rules of our hotel that payment     be made in cash．

I ________ work out the problem at first, but after my teacher showed me an example, I ________ get the answer easily.

 Linda _____ come to meet me at the station, but I’m not sure.

—By       local farmers, we hope        them improve their lives.—I think it’s a good idea. 

You should _____ some English every day. It’s good for your vocabulary.