单项选择题
The （） on this apartment expires in a year's time.
A.treaty B.engagement C.lease D.subsidy
单项选择题 Very few scientists （） completely new answers to the world's problems.
单项选择题 The police are suspicious （） his words because he already has a record.
单项选择题 The girl was （） a shop assistant; she is now a manager in a large department.
