He used to be ________ UNICEF worker, but now he is really ________ excellent basketball player.
Mr. Wang felt________ after his children moved out.
I was late for school because my alarm didn’t_________.
.—_________ —I have a headache.’
Liu Ying is good at singing. She sings ________ the famous singer.
—Could you please help me take out the rubbish? —__________