There was a _______ look on her face when she met with the _______ problem. 

— I bought the furniture at half the        price.— Well, it’s really a bargain .

Once out of the earth’s gravity, the astronaut is________ by the problem of weightlessness.

---You shouldn't have said that．Look! She is getting _____． --- But I meant no harm．

We all thought that Betty could have run _______ if she had worn the sports-shoes that day.