Many famous hospitals are competing an excellent doctor who came from USA[ ]

_____ you have the chance to study, you’d better make full use of your time

Things are hard with you, but you _______ try to get over the difficulties, for you have no choice.[ ]

Though in fact he got , there was no doubt that he had meant to offer help

____ difficult the task may be, we will try ourbest to complete it in time.