【題目】Was it in 2013, when he was still at a middle school, ________ this boy became an expert at the computer?

【題目】_______ you don’t have much experience in this field, why don’t you ask Professor

【題目】An optimist sees an ________in every disaster.

【題目】The government has taken measures to______the high prices of daily goods to keep the market stable．

【題目】__________her, he waved a hello.

【題目】The woman burst into tears ________she was announced the winner.

【題目】Personal space is the region surrounding a person ________ they regard as psychologically theirs．

【題目】You are not ________ to unemployment benefit if you have never workeD．

【題目】My uncle came to see us from the countryside, _______ my son wild with joy.

【題目】They eat only plant foods, and take care to ________ animal products from other areas of their lives．