It was shameful to be found sleeping in class. His classmates’ laughter only_____ his embarrassment.

What’s your plan for the summer holidays? —I’ll go to Beijing the school terms ends.

The maths problem is ______ hard for us ______ solve.

____ talking with his Grandma, he went away without saying a word.

I could look after ____ when I was five.— Really? I can’t believe it.