1. It's still unknown whether the projet we have been working will yield a high return of investment. 2. The river which goes the city makes itself a popular summer resort (避暑胜地). 3. Don't talk too much when your boss is no mood for chatting over the phone. 4. John would, sooner or later, involve himself serious trouble if he continued to do this with evil intention (意向). 5. The employer reacted the depression (经济萧条) by dismissing (解雇) dozens of his employees. 6. Soon the earthquake, many people who had been evacuated (疏散) from the area returned to rebuild their hometown. 7. The old man likes to reflect his childhood while drinking with his friends. 8. He has been transferred a new company in Europe to be responsible for sales and distribution activities.

Fill in each of the blanks in the fllowing sentences with a sitable preposition or adverb.

1. It's still unknown whether the projet we have been working        will yield a

high return of investment.

2. The river which goes       the city makes itself a popular summer resort (避暑胜地).

3. Don't talk too much when your boss is      no mood for chatting over the

phone.

4. John would, sooner or later, involve himself         serious trouble if he continued to do this with evil intention (意向).

5. The employer reacted        the depression (经济萧条) by dismissing

(解雇) dozens of his employees.

6. Soon       the earthquake, many people who had been evacuated

(疏散) from the area returned to rebuild their hometown.

7. The old man likes to reflect        his childhood while drinking with his friends.

8. He has been transferred       a new company in Europe to be responsible for sales and distribution activities.