按要求完成下面按句子1 Are these his computer games?(改为肯定句）2 These are

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按要求完成下面按句子
1 Are these his computer games?(改为肯定句）
2 These are backpacks.（改为单数句）
3 His grandfather is my friend.（改为一般疑问句）
4 That is his English dictionary.（改为复数句）

1 These are his computer games.
2 This is a backpack.
3 Is his grandfather my friend?
4 Those are his English dictionaries.

按要求完成下面按句子1 Are these his computer games?(改为肯定句）2 These are Are these his parents?(改为肯定句) Are these his parents?改为肯定句按要求完成句子，每空一词。 1．These are pencils．(改为单数句) are these your pencils?改为肯定句 Are these pants black?(改为肯定句) are these rare animals in china?(改为肯定句） These are his brothers 改为单数句 These are his watch.改为单数句 these are his sisters.改为否定句按要求改句子：1、Are these your pens?（重写句子是意思与原句基本相同） Are these ( )( These are his pens.改为否定句,一般疑问句并作出肯定和否定回答