问题详情：
根据句意用所给单词的适当形式填空，使句子的意思完整、正确，每空一词。
1. I think the old bike under the tree is the (lead).
2. Our school basketball team will play (for)theirs on the playground next Friday.
3. It’s (usually) for the little boy to get up so early. What’s up?
4. Thank you very much for offering me so many useful (suggest).
5. The (silent) in the classroom was broken by a loud knock on the door.
【回答】
1. leader’s 2. against 3. unusual 4. suggestions 5. silence
知识点：构词法
题型：完成句子
