选择与下列各句划线部分意义相同或相近，并能替换划线部分的选项。(共4小题，计4分)  

(   )26. The school bus takes over two hours to get back to my school.

(   )27. You're too tired. Why don't you have a rest.

(   )28. He cared for the patients all the time.

(   )29. You must look after yourself and keep healthy.