I __have injections when I got illA:have toB:need toC:ought toD:had to为什么不能用need to,要选had to

I __have injections when I got illA:have toB:need toC:ought toD:had to为什么不能用need to,要选had to 英语中没有be动词如何改为否定句I __have a volleyball __ afootball.改为否定句. __have know each often for 15years A he and B I and he c your and him D YOU and me 英语语法知识求助：句子是i sent invitations to 80 people,__have replied.句子是i sent invitations to 80 people,__have replied.A of whom only 20 of themB only 20 of them whoC of whom only 20 D only 20 who改选哪个呢?这是什么语法 we __have no class this afternoon.填will可以吗? 请说明原因,1.Sorry,I am too busy now.If I __have/had__ time,I would certainly go for an outing with you.2.Food supplies in the flood-stricken area _______.We must act immediately before there ' s none left.A.have run out B.are running out C.have 1._C_with a diffcult situation,arnold decided to ask his boss for advice.A.TO face B.Having faced C.Faced D.Facing2.Whom would you rather __have do__the work?为什么用have do3.there is nothing more i can try __to persuade__you to stay so i wish yo She looks very happy.She __have passed the exam A should B might C could—She looks very happy．She have passed the exam.－I guess so．It’s not easy after all.是easy不是difficult!A should B might C could D must __have got a lot of books.A,My classmates B,Iand my classmate C,My classmate and I该选择哪个?还要写出原因!记住要写出原因!今天必须回答完,先回答的我给他10财富值! 请来看一看我的新足球.Please __ __have a look at my new soccer ball. Please come to our park,you __have a good time here. He has never been to beijing,__have l.A.so B.neither C.too D.also __have you __ (finish) your homework yet?No,i__(have)就上面的空, My brother __have a ping-pong（ ） A:doesn't BMy brother __have a ping-pong（ ）A:doesn't B:aren't C:isn't D:don't You have to move away your car.改一般疑问句 __you __have to move away your car? it's time __us __have class A.to,for B.for to C.for for Dto to Are you __have dictation?A,ready for B,ready with C,ready to D,ready选哪个,为什么? mr.johnson is interested in all things and people __have changed greatly since he left his.为什么选that