问题详情：
根据句意，用所给词的适当形式填空
1. We’d like to come. We look forward to _________ (see) you at the party. 2. Amy invites us _________ (visit) the Palace Museum tomorrow. 3. I often exercise _______ (little) than three times a week. 4. ---- Oh, look at the sun! ---- Yes. It’s a ______ (sun) day today. 5. Be ______(careful)! You must cross the road carefully .
【回答】
ng visit y ful
知识点：构词法
题型：完成句子