【题目】________pollution is a serious problem to the government.

【题目】Mum, can you give me_________ apples?

【题目】Which word has the sound /au/?

【题目】ever, have, the, you, heard, story

【题目】It's time to cook meals. Are there any___________ in the fridge?

【题目】have, I, for, been, years, here, ten

【题目】(2019 原创) To be a good student, you should finish your homework ________ your own.

【题目】-Please turn down the TV. The baby_________.

【题目】At the end of the lecture，I'd like to divide all the students________small discussion

【题目】Which of the underlined sound is different from others?