英语题:填介词还是副词?{N急}

问题描述:

英语题:填介词还是副词?{N急}
1.Is Tom ()?
No. He's at school.
2.Mr Wang is () fifty years old.
3.Dont's put your socks on the chair. Please put them ().

1.Is Tom (here副词)?
No.He's at school.
2.Mr Wang is (about副词) fifty years old.
3.Dont's put your socks on the chair.Please put them (there副词).