1.Is Jim at home by himself

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1.Is Jim at home by himself
No.There's another boy_____with him
A.playing B.play C.plays D.to getting
为什么不选C?
2.The sheep ____to the tree was found dead .How poor it is.
A.tied B.tying C.was tied D.was tying
3.Helen____ her keys in the office so she had to wait until her husband _____
A.has left;comes B.left;had come C.had left；came D.had left;would come
4.Tom ____ out
Oh,has he?What time ___he ____out?
A.is;did;go B.went;is;going C.has gone;did;go D.is going;does;go
答案和为什么

1.选A 如果你选Plays,那么这个句子就有两个动词了,不行（一个是is,一个是plays）
2.A tied to the tree是过去分词做定语,那头绑在树上的绵羊被发现死了,多可怜啊
3.C had to wait用的是过去时,而Helen 丢钥匙是在她等之前,所以用过去完成时,后面她丈夫出现,时态和had应该一致
4.C 从回答可以看出问句应该用现在完成时
他出去的这个动作发生在过去,所以用一般过去式
“Tom出去了” “哦?是吗?他什么时候出去的?”

Is JIM at home by himself?NO,there's another boy() him.A.pla My brother learns English by himself at home ______. 1.Jim is at home(改为否定句) Jim is at home.同义句转换同义句转换 jim is so old that he can live by himself .jim is ___ tom is enjoying himself at home的同义句? Tom is enjoying himself at home.同义句. Tom is enjiying himself at home.(改为同义句) jim is a___to dress himself Maybe jim is at home.同义句转换 whenever he is.he can make himself at home.___ ___ ___ he is Jim is enjoying himself.改同意句 Jim is ( ) ( )( )( ).