【题目】When the fire alarm (响起), people ran out of the building immediately. (go)

【题目】We need to work together to deal with (全球的) problems like pollution.

【题目】She now helps in a local school as a (志愿者) three days a week.

【题目】What is the man doing？

【题目】Employers are encouraged to hire (残疾的) workers.

【题目】What does the man want to know？

【题目】 The shopping mall is making every effort to ________ new customers in order to sell more foods.

【题目】We'll be in Istanbul for three days, so there will be plenty of time to (探索).