选择并用其适当形式填空：aren it,are,is,isn it,am,these,this,not.( )she M

选择并用其适当形式填空：aren it,are,is,isn it,am,these,this,not.( )she M 用is,.are,this,these,it,they,isn′t,aren′t 填空 1.___ ___your bo 用适当形式填空 1.Are these your desks?No,they aren it.The are _（our 用am/are/is/am not/isn't/aren't 填空：Your cousin_______ a cute 用am / are /is/am not /isn't/aren't 填空：The and I _____friends 用am/are/is/am not/isn't/aren't 填空:____there any fish in the 用am/are/is/am not/isn't/aren't 填空:____it an Engish book? 用am/are/is/am not/isn't/aren't 填空:There _____any rulers on t 用am/are/is/am not/isn't/aren't 填空:_____they my pens? 用am is are am not isn't aren't填空,怎么填呢? 选择单词,并用其适当形式填空. 选择短语并用其适当形式填空。