【题目】Doctor Smith always works to high ________ (标准), and he wins high praise from others.

【题目】heroes, what, are, brave, they

【题目】of, care, yourself, take

【题目】laptop, is, where, my

【题目】—Must we finish all the exercises in a week?

【题目】—________ did it take to complete Huoshenshan Hospital in Wuhan, Hubei?

【题目】Millions of Chinese students watched Internet course ________ they stayed at home.

【题目】Hurry! The online class ________ for ten minutes.

【题目】—How will be the weather in summer in the south of China?

【题目】During the outbreak（疫情）, we are supposed to ________ close contact with strangers.