【推荐2】If I ________(have) more time now, I would learn another foreign language. (所给词的适当形式填空）

【推荐1】阅读下面材料，在空白处填入适当的内容或括号内单词的正确形式。
1. Everyone should work hard and do what they can ____________(fight) against national smog.
2. ____________(observe) the problem for many years, he announced that we are facing the severe environmental problem of our time.
3. We should produce more things from materials that have been recycled, and less from raw materials, the supply of ____________ is growing smaller and smaller.
4. He travelled on the plane like this, keeping the tortoise ____________ (hide) in a blanket.
5. I remember ____________ (invite) to their party, but I have forgotten the invitation in the office.
6. I told Hannah my secret and ____________ (admit) how badly I had done in the math quiz.
7. David has done good deeds all his life, ____________ (earn) him much reputation.
8. They started shouting at each other and it turned into a horrible ____________ (argue).
9. ____________ it may feel awkward, if she really is your best friend, you should apologize for blaming her.
10. We need to stop thinking of companies and businessmen ____________the enemy and give them more credit.

【推荐2】They decided to drive to York and ended up_________ (get) lost. (所给词的适当形式填空)

【推荐3】The Romany resist ____________ (make) permanent homes, and choose not to become citizens of the countries they move to.(所给词的适当形式填空)