从下面方框中选出与下列各句中画线部分意思相同或相近，并能替换画线部分的选项．
| A．at home B．around C．is good at D．look alter |
26．My mother usually goes to work at
about 7：30 in the morning，
27．John is a clever boy．He
does well in all the subjects，
28．Dave's father was ill two days ago，so he had to take care of him at home．
29．Last night，Tom was not in．He went to a movie with his friends．