41、 He spoke English so well that I took it __________ that he was an American.
A．for granted
B．as true
C．for certain
D．as such


42、 The children will have to __________ their play-time hours when school opens.
A．cut in
B．cut up
C．Cut on
D．cut down


43、 The old man walked slowly, stopping frequently________
A．on rest
B．at rest
C．Resting
D．to rest


44、 __________the fog, we should have reached our destination.
A．Because of
B．In spite of
C．In case of
D．But for


45、 At first the institute refused to purchase the telescope, but this decision was __________ revised.
A．occasionally
B．consequently
C．successively
D．subsequently


46、 I’d rather you ________ anything about this matter this evening.
A．say
B．didn’t say
C．don’t say
D．not say


47、 Living in the central American desert has its problems, __________ obtaining water is not the least.
A．of which
B．for what
C．as
D．whose


48、 Christmas is a holiday usually celebrated on December 25th __________the birth of Jesus Christ.
A．in accordance with
B．in terms of
C．in favor of
D．in honor of


49、 The purpose of this test is to measure students' __________ to learn instead of their present achievements.
A．capacity
B．attitude
C．confidence
D．determination


50、 With a school record like yours,________why you didn't try for a university scholarship.
A．I' m shocked
B．I' m puzzled
C．I' m amazed
D．I feel pity