The student ________ to his teacher very much because he is knowledgeable.
A.looks after B.looks up C.looks for D.looks down
— Hi, Jack. How do you feel about the speech?
—So boring that I ________fell asleep.
A.clearly B.hardly C.closely D.nearly
The lovely girl buys a birthday gift for her mother and wonders _________ she likes it or not.
A.until B.if C.whether D.unless
The whole nation is ________ to the medical workers fighting the new disease—COVID—19.
A.careful B.thankful C.honest D.brave
President Xi Jinping _______ the State Preeminent Science and Technology Award to Huang Xuhua and Zeng Qingcun.
A.examined B.introduced C.presented D.lifted
More than 95 percent of China's poor ______ had shaken off poverty by the end of 2019.
A.population B.relatives C.villagers D.pollution