----Why are the housing prices in big cities going up all the time?----One reason is that people are__________ into overcrowded cities in great numbers.
At our factory there are a few machines similar to _______ described in this magazine.
The traffic on the main streets has a longer green signal than _______ on the small ones.
—Shall we go for a drink at one o’clock this afternoon? —_______. Will two o’clock be OK?
Because of the financial crisis, days are gone ________ local 5-star hotels charged 6000 yuan.
The meeting ________ a few weeks after he had arrived in America.