题目内容
单句改错
If you go to town tomorrow, so do I．
这是一个将来时态的句子。
If you want to mail a package, first you should have it weighing. ________________
If you study hard, you will succeed on time．
If you had heard the doctor’s advice, you would be fine now．
If you don't do as I tell you, you will not go to the party．
