Though many scientific breakthroughs have resulted from mishaps, it has taken brilliant thinkers to recognize their potential.
A.misunderstandings
B.accidents
C.misfortunes
D.incidentals

She passed the university entrance exam __________ made her parents proud.
A.what
B.when
C.who
D.which

The hut __________ is said to be haunted.
A.at the foot of the hill
B.in the foot of the hill
C.by the foot of the hill
D.with the foot of the hill

Mrs.Brown had her bicycle __________ yesterday.
A.repairing
B.repair
C.repaired
D.be repaired

He is a clever mimic __________ most of the lecturers in his college.
A.who can take in
B.who can take off
C.which can take over
D.which can take up

Many natural resources __________ by the end of the century.
A.had disappeared
B.have disappeared
C.disappeared
D.will have disappeared

I’m not surprised she changed her mind __________ the last moment.
A.on
B.at
C.in
D.for

The university’s programs __________ those of Harvard.
A.are second only to
B.come second after
C.are in second place from
D.are first except for

__________ Freud and Max were motivated primarily by compassionate concern for suffering humanity is elaborated upon in Fromm’s biology.
A.What both
B.Both
C.That both
D.Both are

This new centre is an interesting ............... .
A.develop
B.development
C.developer
D.developing