We have done things we ought not to have done and ________ undone things we ought to have done.
A leaving
B will leave
C left
D leave
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The ratio of the work done by the machine ________ the work done on it is called the efficiency of the machine.
A against
B with
C to
D for
________ the flood, the ship would have reached its destination on time.
A In case of
B In spite of
C Because of
D But for
In your first days at the school you’ll be given a test to help the teachers to ________ you to a class at your level.
A locate
B assign
C deliver
D place
The story that follows ________ two famous characters of the rocky Mountain gold rush days.
A concerns
B states
C proclaims
D relates