单项选择题
A.treaty B.engagement C.lease D.subsidy
Very few scientists （） completely new answers to the wo...
单项选择题Very few scientists （） completely new answers to the world's problems.
A.come up with B.come out C.come round D.come up to
The police are suspicious （） his words because he alrea...
单项选择题The police are suspicious （） his words because he already has a record.
A.to B.at C.on D.of
The girl was （） a shop assistant; she is now a manager ...
单项选择题The girl was （） a shop assistant; she is now a manager in a large department.
A.preliminarily B.presumably C.formally D.formerly
