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1. I () into an old friend yesterday in the hospital, who looked much paler and weaker than before.
2. There was a crucial () in this theory which lacked sufficient evidence.
3. To many Italian people, () how you feel, refusing an invitation of any kind may give offence.
4.They failed to catch the last bus, so there was no choice () walking home.
5.After three years in the United States, she finally () all the difficulties and obtained the doctoral degree.
1. The front bumper (保险杠) of the car can () the impact of the crash, preventing great damage to the vehicle and the passengers.
2. The color of the curtain and carpet in the room gradually () under the influence of direct sunlight.
3. The hot and humid weather will () the infection (传染) of the disease.
4. As soon as the investment is in place, nothing can () the economic development of this region.
5. Your visa will expire soon. It is necessary for you to () it within a month.
