1. The government ________ the use of seat belts in all cars.
A. prevails
B. provokes
C. mediates
D. mandates

2. “If we fail to act now, ” said Tom, “We’ll find ourselves_______ in action later on.”
A. paid back
B. paid for
C. paid up
D. paid off

【考博英语补全句子】
1. The newly-announced policy will help to ________________（促进国有大中型企业的发展）.
2. When he succeeded in finishing his design, the technician _________________（似乎忘乎所以了）.