【推荐1】If we _______ (not, act)now to protect the environment, we’ll live to regret it. (所给词的适当形式填空)

【推荐2】It is vital that we________(act) to stop the destruction of the rainforests. （所给词的适当形式填空）

【推荐3】Kate was appointed________ (act) as secretary. Now she is having a discussion with the manager of the marketing department(市场部). (所给词的适当形式填空)

【推荐1】I am not working in an IT firm and I feel lucky ____________ (choose) by the company.

【推荐2】― Mr. Johnson, I'm really sorry _____ (keep)you waiting for a long time.
— I know you are very busy at the moment. (用单词适当形式填空)

【推荐3】在空白处填入1个适当的单词或括号内单词的正确形式。
1. The new evidence is likely to lead to the man ___________ (arrest).
2. Rogers took ___________ painting for a while, but soon lost interest.
3. Last Monday, I ___________ (get) around in the street when I saw an old man fall off his bike.
4. Science graduates are ___________ greater demand than art ones in China.
5. My wallet is nowhere to be found. I must ___________ (drop) it when I was on the bus.
6. We were impressed with a wide ___________ (various) of plants in the garden.
7. Hearing the gunshot, I ___________ (panic) and went into the room in a hurry.
8. The doctor claimed ___________ (discover) a cure for the disease.
9. We’ve just heard a warning ___________ a heavy snow may be on its way.
10. ___________ (determine) to make his fortune in South America, he set off from his home for New Orleans.