________ other good students, in my opinion, Tom is _________ student.

Though he is busy, he is very _____ and makes a telephone call to his parents from time to time and tries his best to spare some time to visit them.

The situation forced my mother and I exchanged our roles as child and caretaker, making me grow up much faster than the _____ child.

The patient is supposed to go to the hospital for_____checks．

—What do you plan to do on the ___________ May Day holiday?—I have no idea. Probably, I will spend it by doing many papers.