Bob sings ______ in our class.

Let me ________ your phone number and I’ll call you when I’m free.

(2013·高考浙江卷)There are some health problems that，when ________ in time，can become bigger ones later on.

140. Mr. Zhang is such a considerate person______ all his colleagues like to work with.

Lisa saw the doctor, but she felt much______ the next day.