He thought he heard someone following him, and ___ round. He caught sight of a dark figure in the shadow.
These doctors are busy day and night, a cure for AIDS.
Just as the food a person eats and the friends with whom he spends his time, his house ______ his personality.
When she heard the good news, there appeared a ___ smile on her face.
The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good ______
–Have you finished your university education? -- Yes. I ________ in Shandong University for five years.