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延安大学 大学英语4
He began to work there __________ .(本题2.0分)
A、 on his fifty
B、 at age of fifty
C、 when he fifty
D、 in his fifties

Tom, what did you do with my documents? I have never seen such a _______ and disorder!(本题2.0分)
A、 mess
B、 mass
C、 guess
D、 bus

Many people came here to ______ about the trip to Tibet.(本题2.0分)
A、 inquire
B、 require
C、 acquire
D、 inquiry

Police ________ the search for the lost child as dusk approached.(本题2.0分)
A、 justified
B、 concentrated
C、 promoted
D、 intensified

Mr. Write can be very sad in private, though ________ he is very cheerful.(本题2.0分)
A、 by himself
B、 in person
C、 in public
D、 as individual

The industrial community should be distant enough from the crowed center to reduce ____________dangers.(本题2.0分)
A、 feasible
B、 positive
C、 potential
D、 substantial

You ______her at the beginning, but now it is too late.(本题2.0分)
A、 ought to have refused
B、 ought to refuse
C、 ought have refused
D、 needn’t refuse

All human beings have a comfortable zone regulating the ________ they keep from someone they talk with.(本题2.0分)
A、 distance
B、 scope
C、 range
D、 boundary

I want to go to the dentist, but you ______ with me.(本题2.0分)
A、 need not to go
B、 do not need go
C、 need not go
D、 need go not

You’ll have more chances of promotion ______ you work hard.(本题2.0分)
A、 since
B、 while
C、 as
D、 once

Nixon was the first US President to _______before the end of his term of office.(本题2.0分)
A、 assign
B、 sign
C、 resign
D、 design

Arriving home, the boy told his parents about all the _____ which occurred in his dormitory.(本题2.0分)
A、 occasions
B、 factors
C、 incidents
D、 issues