【推荐1】按要求写出下列单词的正确形式
1. go (第三人称单数) ________
2. use (形容词) ________
3. mouth (复数) ________
4. interesting (反义词) ________
5. sell (名词) ________
6. pair (同音词) ________
7. here (反义词) ________
8. black (对应词) ________
9. twelve ________ (序数词)
10. [ˈhelθɪ] ________

【推荐2】There are some p________ letters on the table. You can’t see them without permission (允许).

【推荐3】根据句意及汉语写出单词。
1. I don’t like the coffee with too much ____________ (糖) in it.
2. My grandmother is over 90, but she is still in good ______________ (健康).
3. Excuse me, Miss Xu. Can I ask you some ______________ (问题)?
4. Be quiet! Someone is ______________ (敲) at the door. Can you hear that?
5. He will go to his ___________(祖父母) home to have dinner.
6. The ____________ (整个的) country celebrates National Day on Oct. 1st in China.
7. The watermelon juice ____________ (品尝) nice. I like it very much.
8. Thank you for ____________ (搬) all the heavy bags for me.

【推荐1】Hearing the ________ news, I went out fast. (excite)

【推荐2】Complete the sentences with the given words in their proper forms（用所给单词的适当形式填空）
1. Sally is visiting Garden City for the____________ (one) time.
2. Look at your dictionary. It's very ____________(help) to you.
3. Our new teacher is very ____________ (friend) to us.
4. Jack did well in the English test.   He went home _____________(happy).
5. My sister is a ___________ (wait). She works in this restaurant.
6. They promise to keep the beaches ___________( clean).
7. I have a __________ (love) dog. It comes from my uncle.
8. Who will teach ____________ (we) English?

【推荐3】U________ efforts should be made to protect the earth’s biodiversity (生物多样性) .