第二节：短语填空（共5小题，每小题1分，满分5分）
He has ever _______________ the long jump in the Olympics three times. (参加)
The changes are an improvement ______________. (在某种程度上)
Tribes and tribal customs ____________ centuries ago. (消失，灭绝)
When I am back to school from sick leave, I will _____________（弥补）for the missing lessons.
Sentences can be ___________ (分解) into phrases and phrases into words.