3道英语选择题目~!大哥哥 姐姐 帮下忙了 ~!谢谢

1。B. why they gave up halfway
2.A. hasn't been cleaned
3.B. need not go

1、 B why they gave up halfway
2.A hasn't been cleaned
3.B need not go

B表原因从句语序不变 A完成时表尚未完成 B情态动词表否定

1.( A)Can you tell me______?
A why did they give up halfway B why they gave up halfway
C the reason did they gave up halfway D for what did they give up halfway

2.( a)l'm sorry you can't go in now The room______yet
A hasn't been cleaned B hasn't cleaned C isn't been cleaned D isn't being cleaned

3.( c)l want to go to the doctor,but you______with me
A need go not B need not go C need not to go D do not need go

1 B 宾语从句
2 A 现在完成时的被动语态
3 C sb need to do

1.B
宾语从句用陈述句语序。the reason后加why
2.A
yet一般用于现在完成时，加被动语态
3.B
当need是情态动词时：need do sth. 否定句：need not do sth
当need是实意动词时：need to do sth. 否定句：don't need to do sth.