1 . ________ (expose) to the English context is of great benefit to your English improvement. (所给词的适当形式填空)

2 . The bird was lucky enough to escape________ (kill). (所给词的适当形式填空)

3 . In the battle of the COVID-19, Chinese medical workers risk_________(expose) to the virus. （所给词的适当形式填空）

4 . It will be considered a miracle if someone is saved after________ (trap) for 72 hours. (所给词的适当形式填空)

5 . When we are shopping online, we should keep wise to prevent ourselves from ________ (cheat). (所给词的适当形式填空)

6 . I still remember ________（take）to the shore to look at the sea when young. （所给词的适当形式填空）

7 . Many famous people wear sunglass so that they can go to public places without ________(recognize). (所给词的适当形式填空）