Listen! Is it Linda singing in the next room? –No, it __________ be her. She is still in Shanghai.

The little boy can’t findmother, so he is crying.

Her husband earns ____ she while they do the same amount of work.

I have （有）_____ ruler and ____ eraser.

Mr. Gao, I don’t understand the meaning of this new word. —You can __________ the word in your dictionary. I believe you can understand it well.