—How unhappy your roommate looks!—Yes, but he's not willing to tell me what it is _______ is troubling him.
He has some trouble his classmates, but he has no difficulty Doing his lessons.
Please give me advice what to do.
is a good form of exercise for both the young and the old.
Tom fell in with Mary.
—How are you managing to do your work without an assistant? —Well, I _____ somehow. A, get along B. come on C. watch out D. set off