【推荐1】In my opinion, working in the library is _____________ (interest) than doing homework.

【推荐2】根据句意及汉语提示，完成下面句子。
1. The students can express ______（他们自己）in English after four years' study.
2. Our teacher often tells us not to talk to ______（陌生人）in the street.
3. Yesterday Allen came here ______（独自）and left without saying anything.
4. Because there was no wind, the sea looked much ______（安静）than before
5. I will go there tomorrow ______（除非）it rains.

【推荐3】I think these apples are f________ (新鲜) than those ones.