We must hand in the homework in time.有错吗?

We must hand in the homework in time.有错吗? We must hand in our homework _____ time. Must we hand in our homework tomorrow改被动 Must we hand in our exercise books today? Must we hand in our exercise books today?中的HAND是什么意思 we have just received(?)that we must hand in all our baggage in no time We must hand in our homework ________( in time,on time). Must we hand in our exercise books today?这里为什么是用介词in? must we hand in our homework today?yes,you ____/no ,you _____ We must hand in the exercises ,________ 反义疑问句must的否定形式不是can't吗 Hand in hand, we stand 是什么意思? We will walk hand in hand forver. We will hand in hand forever Need we hand in our homework now?肯定和否定回答分别是什么?Must we hand in our homework now?的肯定和否定回答呢? the professor that we ___our homework before next month.A:handed inB:will hand inC:hand inD:must hand in请说说为什么选那个答案谢谢 一道简单初中英语选择题4.Mr Robin, we must hand in our homework,________?No, You_____.A.needn't we ; must'tB.needn't we ; needn'tC must't we ; needn't 为什么 must we hand in our homework now?a.yes you mustn'tb.yes you mustn'tc.no you needn't Must we hand in our homework now?No,you needn't.解释一下为什么要用needn't.