1 . 没有一次尝试，你永远都不会知道结果。
You will never know the result__________ __________ __________.

2 . 莉莉现在对如何使用电脑感到很好奇。
Lily is__________ __________ __________ __________ use a computer now.

3 . 如果再下两天雨会怎么样?
__________ __________ __________ __________ for another two days?

4 . 我发现英语在我们的日常生活中非常有用。
I __________ __________ __________ __________in our daily life.

5 . I now________________( formal) declare this speech contest is closed. (所给词的适当形式填空）

6 . To achieve our goal, we need to think out of the box________________(explore) every possibility. (所给词的适当形式填空）

7 . He often uses that________________look ________________them. ( frighten) (所给词的适当形式填空）

8 . I was very ________________( impress) by one young man at my lecture. (所给词的适当形式填空）

9 . He took the examination with full of________________(confident). (所给词的适当形式填空）

10 . Tennis players need total ____(concentrate) during play. （所给词的适当形式填空）