一年一度的两会,总能够吸引亿万国人的视线聚焦于北京。在我国,保证人民当家作主的根本政治制度是
Fresh food is good for you . But you have to _______it first because sometimes it is a little dirty.
There will be less pollution ___more people use public transportation .
Our teacher was very happy because _____failed the examination.
Daniel, ___ play with the mobile phone while you're walking in the street.
--Do you have any plans for this summer vacation? --I'm not sure. I ___ take a trip to Taiwan.