If you go by ______train ,you can have quite a comfortable journey ,but make sure you get _____fast one.
--Brenda just bought a 3G mobile phone. --Oh, really? How I wish I could get ________ as well!
________ May as planned at first, the Smiths decided to set out to Hainan at the end of April.
Peter has to spend ________ two hours every day on the demanding math assignment.
You really don’t need to buy another computer ________ you have already got one.
It is reported that 1.4 million people took part in ________ post-graduate entrance exam, ________ 13 percent increase from last year.