Ⅰ.单句语法填空
1．(2018·北京卷)In today's information age, the loss of data can cause serious problems for a company.
解析：句意：在如今的信息化时代，丢失数据可能会给一个公司造成严重的问题。can在此表示客观可能性，意为“可能会，有时候会”。
2．(2016·全国卷Ⅲ)Truly elegant chopsticks might be_made (make) of gold and silver with Chinese characters.
解析：根据语境可知，筷子是被制造的。此处为含有情态动词的被动语态might be done。
Ⅱ.单句改错
1．(2018·全国卷Ⅱ)As a kid, I loved to watch cartoons, but no matter how many times I asked to watch them, my parents would not to let me.去掉let前的to
解析：情态动词would表示“意愿”时后面直接接动词原形。
2．(2016·全国卷Ⅱ)We can chose between staying at home and taking a trip.chose→choose
解析：情态动词can后面接动词原形。chose是choose的过去式形式。
