This is an ID card.这句话an用得对否?

This is an ID card对an ID card提问 This is an ID card.(an ic card部分提问 This is an ID card.对 an ID card部分提问This is an ID card （对 an ID card 部分提问）_______________this? This is an ID card还是This is a ID card This is an ID card.这句话an用得对否? This is an ID card 改为否定句 This is my an ID card number 改错 This is an ID card 如何改为一般疑问句 this is an id card改为一般疑问句 Look!Is this ID card?改正错误 this is my ID card同义句 This is ID card.this is 后面加什么 This is my ID card.变成一般疑问句( )this( )ID card 请问是怎么变的? an ID card音标 What's this?-It is _____.A.an ID card B.a orange C.ruler D.an UFO is it ( )id card That is an ID card.改为复数形式 That is an ID card.变为特殊疑问句