16.He had no i___________ of working as a clown for the rest of his life.

15.My brother and his wife are a happy _______.

14. We looked at each other in s__________.

13. The two men fell into the water. ____________ neither of them could swim.

12.We did the work under his d_____________.

11.The patient needed a(an) __________(手术)at once.

10.We often see animals do tricks at c________.

9.The boy made such r________ progress in his studies that the headmaster praised him for it.

8.He looked calm, but ________ he was very nervous.

7. The _______ (实际) price was lower than I had thought.