1 . He was an expert at finding his way, even in strange _________.(surround) （所给词的适当形式填空）

2 . She was kept in _________ of her husband’s activities.(ignore) （所给词的适当形式填空）

3 . Taking 15-minute afternoon naps has been proven to improve _________.（create）（所给词的适当形式填空）

4 . The small boy felt very _________, for he lost sight of his mother in the crowd.(fright) （所给词的适当形式填空）

5 . Self-driving ears will rely on cameras, sensors and artificial intelligence(人工智能) to recognize and ________(response) to road and traffic conditions. (所给词的适当形式填空)

7 . Whether the electronic ________(equip) will improve our learning efficiency or not depends on how we use it. (所给词的适当形式填空)

8 . It’s difficult to put an accurate ________(interpret) or the survey results. (所给词的适当形式填空)

9 . The law ________(date) back to the 17th century is still in use today. (所给词的适当形式填空)

10 . ________(ultimate), you’ll have to make your own decisions. (所给词的适当形式填空)