1.(2019·全国卷Ⅱ，61)A 90－year－old has been awarded “Woman Of The Year” for ________ (be) Britain's oldest full－time employee—still working 40 hours a week.
答案：being 介词for后跟动词时，要用其动名词形式。
2．(2019·全国卷Ⅱ，68)When we got a call ________ (say) she was short－listed, we thought it was a joke.
答案：saying say与前面的a call之间是主动关系，故填saying，用现在分词短语作后置定语，修饰a call。
3．(2018·全国卷Ⅲ，64)I quickly lower myself, ducking my head to avoid ________ (look) directly into his eyes so he doesn't feel challenged.
答案：looking 动词avoid后面接名词或动名词。此处表示“避免直接看他的眼睛”，应填looking。
4．(2019·天津高考，4)________(learn) to think critically is an important skill today's children will need for the future.
答案：Learning 本空在主句中作主语，应该用动名词形式。
