46、 There is no point __________ to persuade him to take the risk of starting his own business.
A．to try
B．in trying
C．of trying
D．for trying


47、 He heard someone __________ when he happened to be passing through the village.
A．scream
B．to scream
C．screaming
D．screamed


48、 I really appreciate __________ to help me, but I am sure that I can manage by myself.
A．you to offer
B．that you offer
C．your offering
D．you offer


49、 After several rounds of talks, both sides regarded the territory dispute __________.
A．being settled
B．to be settled
C．as being settled
D．as settled


50、 I wish __________ to be understood that what he did has nothing to do with me.
A．it
B．that
C．this
D．there


51、 __________ the bad weather, no shipment will arrive this week.
A．On account of
B．By means of
C．In spite of
D．In front of


52、 There is __________ reason to believe that we are able to solve this problem on our own.
A．all
B．each
C．any
D．every


53、 He __________ her as soon as he came back from his business trip.
A．called in
B．called at
C．called on
D．called to


54、 While wandering in the yard sale, I __________ a famous painting.
A．came across
B．came to
C．came at
D．came for


55、 There are some remote areas in the world that remain __________ by modern civilization.
A．unconcerned
B．untouched
C．unobserved
D．uncovered