It took a great deal of courage to admit that all their efforts had been ________.
#25114
A
in danger
B
in vain
C
in return
D
in turn
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_____ his knowledge of the mountainous country, John Smith was appointed as our guide.
#29086
A
In spite of
B
On account of
C
Regardless of
D
In place of
He often helps his teachers and classmates, and is good at almost all his subjects. , he is worthy of the honor of Top Students.
#26863
A
What’s more
B
To our surprise
C
However
D
In general