1 . __________ is still uncertain when the delayed flight will take off.

2 . Wow, you’ve won the football match! ________ (congratulate)! (所给词的适当形式填空)

3 . I have some difficulty ___________(carry) out the plan. This is why I turn to you for assistance. (所给词的适当形式填空)

4 . After the disastrous earthquake, the rescue team sent the ________________ (injure) to the hospital without delay. (所给词的适当形式填空)

5 . I _______________ (search) the Internet for the relevant information when my cellphone rang. (所给词的适当形式填空)

6 . It is up ________ you to decide how you want to live and to make the right decisions about your diet. (用适当的词填空)

7 . It could even __________ (argue) that the Amish’s quality of life is better since they live in and appreciate the natural environment rather than living in large, polluted cities. (所给词的适当形式填空)

8 . I was about to go outside _________ it suddenly rained. (用适当的词填空)

9 . It is ________ pity that Wu Yanni’s score was canceled because of her mistake. (用适当的词填空)

10 . It was several weeks ________the child________(accompany) by his parents was allowed into the gymnasium. (用所给词的适当形式填空)