Guys, I was really worn out! I cant walk any further!— We should have a rest. We ______ the cave a whole day.

Tony is not as clever as Lucy, but he works______ thanher.

The price of an iPhone 6 is very high.—- Yes. Good things always _________ much.

My son always goes to school without having ______ breakfast.—-It is ______ unhealthy habit. You must ask him to change it.

Premier Li Keqiang showed his sorrow to the dead and ordered that the necessities be __________ as soon as possible.