问题详情：
用方框中所给单词或词组的适当形式填空。
|
1. Let’s ________________ the new picture on the wall, shall we?
2. She is ________________ seeing her children again.
3. I found it difficult ________________ the problem.
4. Water can ________________ ice below zero.
5. Children ________________ their parents for food and clothing.
【回答】
up ing forward to
work out into nd on
知识点：选词填空
题型：完成句子
