______(39)
A.resources
B.springs
C.sources
D.starting

_____(41)
A.growing
B.miserable
C.poverty
D.developing

________(42)
A.recharged
B.discharged
C.charged
D.discharging

_______(44)
A.reservation
B.conservation
C.preservation
D.retention

Choose the best option to complete the following sentences.
If a student ________ it is very unlikely that he will receive a good education.
A.behaves badly and who is lazy,
B.who behaves badly and was lazy,
C.who behaves badly and is lazy,
D.behaves badly and is lazy,

Choose the best option to complete the following sentences.
Simon physics at all________.
A.was hardly not interested in
B.was hardly interested in
C.was hardly not interesting on
D.was not hardly interested in

Identify one mistake in the following sentences:
Because vitamins contained in a wide variety of foods, people seldom lack most of them.
A.contained
B.in a
C.variety of
D.lack

Identify one mistake in the following sentences:
Computers have made access to information instantly available just by push a few buttons.
A.have
B.access
C.instantly available
D.by push

Identify one mistake in the following sentences:
Mined over 2,000 years ago, copper is one of the earliest know metals.
A.mined
B.ago
C.the
D.know

Choose the best option
Everyone in both cars _____ injured in the accident last night, ______?
A.were/weren't they
B.was/weren't they
C.was/wasn't he?
D.were/were they