They are for （）students.A.ours B.our C.us D.my 书上说答案是C,我觉得应该是B,这叫介宾?麻烦给讲这种介宾

英语短文改错,There are advantage for students to work while studying at school .One of th...英语短文改错,There are advantage for students to work while studying at school .One of them was that they can earn money .For the most part ,stude （what） are they useful （for）? They are good for they are for u_____students填空 Are they good for us? They are not ( ) for their They are good for me. they are leaving for bejing.leaving for are,good,they,us,for（.）能组成什么句子? （they are） waiting for the bus.画线部分提问 They are waiting for their MUm.（提问） the oranges are for -----（they）,是不是them? Look!They are studying for math test now.(改错） They are too big for me.（变为一般疑问句） 1. David doesn’t like learning Chinese.(变肯定句)2. Tony doesn’t have a lot of time to paint.(变肯定句)3. Snoopy has a very cool bicycle.（变否定句）4. Do you have a pencil in your pencil case?（肯定回答）5. They are the stude 英语阅读 救助!There are some problem areas for international students and immigrant studying in the UnitedStates.Making friends is a challenge (this is also true for some American students).Many colleges anduniversities offer a variety of stude They are going to Tibet for vacation .we are going there,too(改为同义句）They are going to Tibet for vacation ,___ ___we. They are looking FOR BAG.(对画线部分提问）for bag 是画线部分