【C7】______A．needB．enoughC．shortD．long

Tom _______ have kept his promise. I wonder why he changed his idea.A、needB、shouldC、must

答案解析

【C9】______A．deepB．enoughC．shortD．long

答案解析

【C7】______A．needB．canC．have

答案解析

It is _______ to tell which is earth and which is sky.A: enough easyB: easily enoughC:

答案解析

They paid no ______ to him.A: needB: leadC: heedD: kneed

答案解析

Every man, woman, and child______love and understanding.A．needB．are neededC．is neededD．nee

答案解析

Teachers can hardly be______careful when they instruct a lesson.A．veryB．enoughC．tooD．so

答案解析