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 being carried on need (to be explained).
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 being carried on need (to be explained).