The dustmen said that they would not stop strike until the government______ to them.

With the word“PM2．5"_____appearing in media reports，people pay greaterattention to it and seek health tips for smoggy days．

Taking care of children calls for your time, abilities, patience and emotions_____, it is not a simple thing

All ______ the world, most of people can speak English and Chinese.

ering your salary, you should be able to____ at least twenty dollars a week