1 . The rain’s terrible. I’ve only been outside for two minutes and I’m already wet________.(用适当的词填空)

2 . According to the study, it is hard to prove exactly ________ an animal knows and why it behaves a certain way.(用适当的词填空)

3 . Preparing different kinds of food to satisfy guests’ tastes usually ________ (require) a lot of time. (用适当的词填空)

4 . Yesterday, the next-door neighbor told me that my yard looked terrible, so I must remember________ (cut) the grass tomorrow. (用适当的词填空)

5 . The Bermuda Triangle is an area in the Atlantic Ocean in ________ hundreds of boats and planes have strangely disappeared. (用适当的词填空)

6 . Given the fast pace of the job market now, 21^st century employees are faced with challenges _______ their parents never experienced. (用适当的词填空)

7 . May 30, 2023 is a memorable day, ________the Shenzhou XVI manned spaceship was launched successfully. （用适当的词填空）

8 . Without a teacher, he taught ________ (him) how to use a computer, and by the age of 12 he ________ (know) three different programming languages.（所给词的适当形式填空）

9 . Last year, I tried ________ (share) a car with my colleagues ________ live near me but it still took so long.（所给词的适当形式填空）（用适当的词填空）

10 . Everyone ________ (experience) stress. For students, studying for many hours and preparing for exams can really have an influence ________ our well-being and health. (所给词的适当形式填空)