There are nations whose lack of contact with the outside world has()opoverty
A fallen into
B consisted in
C resulted in
D come up to
第1题
John()to be a teacher before the war, but now he works in a hospital
A is used
B was used
C used
D use
第4题
On his first sea(), he was still quite young but showed great courage to face the storms
A trip
B travel
C tour
D voyage
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