不对.理由:
1/ 作为行为动词的话,改成 'Does mr smith call his grandfather.’ (斯密斯先生打电话给他爷爷了吗?)
2/ 若是系动词的话,改成 'Is mr smith his grandfather?' (斯密斯先生是他的爷爷吗?)
不对.理由:
1/ 作为行为动词的话,改成 'Does mr smith call his grandfather.’ (斯密斯先生打电话给他爷爷了吗?)
2/ 若是系动词的话,改成 'Is mr smith his grandfather?' (斯密斯先生是他的爷爷吗?)