1 . My plane takes off at 3:00 p.m. tomorrow. I’ve just called the airport to ________ (confirmation) it.

2 . Soon afterwards，the balloon began to ________ and it landed near an airfield.

3 . We finally ____________ them ______ our adventure.
＝We finally ___________ them ____________ our adventure.
我们最终令他们信服了我们的冒险经历。

4 . These burns are serious and take a few weeks to heal.
这位病人需要两周才能康复。（模仿造句）
__________________________________________________________

5 . Our fur is being used __________ sweaters for people like you. (我们的毛被用来为像你一样的人们制作毛衣。) (根据汉语意思填空)

6 . The guide book didn’ t mention there being any hotels, but we decided to ______ ______ ______.
这本指南书没有提到那里有旅馆，但是我们决定冒个险。（用chance短语填空）

7 . 但是他们却缺乏自信来好好利用这些机会。
However, they lack the confidence to ____________ ____________ ____________ these chances.

8 . Either you or one of your students___to attend the meeting__ tomorrow.

A．are; to be held

B．is；being held

C．is; to be held

D．are；having held

9 . We must do what we can to prevent pollution _________longer.
我们必须尽力去防止污染为了生活的更长久

10 . 语法填空
1. Modern methods oftracking polar bear populations have been employed only since the mid-1980s, and are expensive_____(perform) consistently over a large area.
2. I quickly lower myself, ducking my head to avoid_____(look) directly into his eyes so he doesn’t feel_____(challenge).