英语难题

显示全部楼层 · 2010-7-17 10:53:41

1.need't的同义词组
2.她又试了试，最后使其他人都笑了。
She tried and _____ and_______the others laugh_____ ______.
3.如果你用功，你就能通过这次考试。
______you______hard,you'll_____ _____ _______ _____the exam.

千问 · 2010-7-17 10:53:41

don't need to\don't have to

千问 · 2010-7-17 10:53:41

解答如下：1、don't have to ，但是要注意的是needn't是情态动词后面只能加动词原形，而don't have to相当于实意动词，有人称和时态的变化，如He needn't come here early tomorrow.=He doesn't have tocome here early tomorrow.2、She

千问 · 2010-7-17 10:53:41

don't have toagain again last at her If work

千问 · 2010-7-17 10:53:41

need't=don't have totried made at lastIf work be able to pass

千问 · 2010-7-17 10:53:41

1.don't need2.tried,made,at last3.If,study,be able to pass