用不定式的正确形式改写句子.
问题描述：
用不定式的正确形式改写句子.
1.This is the bike I will return to Susan tomorrow.
This is the bike __________ to Susan tomorrow.
2.The rules which are being carried on need expaining.
The rules which are being carried on need__________.
答
正确答案是：1.This is the bike I will return to Susan tomorrow.This is the bike （I am going to return） to Susan tomorrow.2.The rules which are being carried on need explaining.The rules which are be...