My grandpa is old he thinks he is young.
—____ interesting the storybook is! —Yes. I have read it twice.
Please connect the phone ________ the computer.A at B.into C.with D.in
Why not join an English club to practice ________?
Mr.Brown teaches ________ well ________ everybody likes his lessons.
If you meet some new words, you'd better ________ in a dictionary.