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

【題目】heroes, what, are, brave, they

【題目】of, care, yourself, take

【題目】laptop, is, where, my

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

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

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

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

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

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