If the doctor is ____________this afternoon, I will take my little daughter to him for a thorough checkup, who recently felt dizzy and extremely tired.
Exposed to dishonest advertisements every day, we sometimes can hardly ______two similar products and thus we are in a dilemma where we don’t know which to buy.
She is a very unfriendly person and is never ready to help others. So it was not surprising that no one came to her ___________ no matter how hard she cried for help.