1.They can hardly decide what they will do next.
_____ _____for them to decide what _____ _____next.
2.The building is not the same as that one.
This building is ______ ______that one
3.He is so young that he can not look after himself well.
He is too young to_____ ______ ______ _______himself.
4.He tried his best ,but he still failed the exam.
______he tried his best ,he still failed the exam.
如果好的话会追分。20分到100分不等。