【推荐1】Tom, you may fail the math test u________ you study hard for it.

【推荐2】U________ you bring out your best, they won’t choose you.

【推荐3】We’ll certainly feel worse _____ (除非) we talk to someone.

【推荐1】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2】根据括号中所给的汉语写出单词，使句子意思完整正确，并将答案填写在相应位置上。
1. It’s important to have confidence in our own ______ (文化) and history.
2. E-sports is becoming more and more popular ______ (在，之中) young people.
3. It is ______ (广泛地) known that most conversations begin with the weather in England.
4. Britain will hot crash out of the EU on time ______ (除非) it gets support from parliament.
5. We should ______ (意识到) that running away from problems can only slow us down.

【推荐3】Our business won’t improve _________we offer better service to our customers.