1．[2016·天津卷]The majority (major) of them take an online language test before starting their programme.
2．[2019·天津3月卷]People can be given the information earlier and take steps to_improve (improve) their health before it's too late.
3．[2019·全国卷Ⅱ改编]Doing (do) volunteer work gives her a sense of duty.
4．[2018·北京卷]．.. it is not surprising that such worms can break down polyethylene (聚乙烯)．
5．[2019·全国Ⅲ卷]Today $ 8 or $ 10 seems a small amount of money, but at that time these amounts were forbidding to most citizens.
6．[2016·全国Ⅲ卷]People probably cooked their food in large pots, using twigs (树枝) to_remove (remove) it.
7．[2019·江苏卷]The example in Paragraph 4 suggests that donators should take people's essential needs into account.
