1 . 根据所给短语，选择其恰当形式完成句子。

in order to       play a part in          ever since            a great number of          in trouble

1. ________middle school, my sister Wang Wei and I have dreamed about taking a great bike trip.
2. Such ________people died because the quake happened while they were sleeping.
3. Elias went to see Nelson Mandela when he was ________.
4. ________realize his dream, he decided to study abroad.
5. Geography also ________making dialects.