The boy isn’t old enough ________ with the difficult problem by himself.
It’s impossible for us ________there on foot in two hours.
Mr. Li makes me________, because it is bad for my health.
The soft music sounds ________. We are all listening ________.
—I’m always afraid of giving a speech in front of the class. —________.You can do it well.
At the beginning, I found it hard to get up early. Now I ________getting up early.