Despite its open_______ mechanism, the foreign investors are still risk-averse. (investing conservatively)
A.economical
B.economics
C.economizing
D.economic

We are talking about the new writer Nguyen Ngoc Tu, _______latest book Canh Dong Bat Tan is becoming one of the best-sellers this year.
A.who
B.whose
C.which
D.whom

Some students tend to choose block A, _______ others tend to choose block D.
A.so that
B.since
C.whereas
D.even if

German Goetz front-runner _______ the coach of Vietnam’s national men football team so far.
A.has not been
B.had not been
C.is not
D.was

The government has_______ measures of increasing the price of goods against the inflation.
A.carried
B.made
C.achieved
D.taken

She is disappointed at not passing the GCSE examination, but I consider she will _______ it.
A.fill in
B.get over
C.take after
D.turn off

John, who is now 16, is not_______ to apply for the Identify Card.
A.very old
B.enough old
C.so old
D.old enough

____(41)
A.dated
B.originated
C.introduced
D.burst

______(43)
A.with
B.either
C.and
D.but

______(45)
A.because
B.if only
C.as
D.although