The police ordered people to leave the building ______ a bomb threat.
A.because of
B.since
C.in case
D.because

One of the best ways to stay healthy are to do exercises every morning.
A.ways
B.stay healthy
C.are
D.every morning

______(2)
A.lately
B.later
C.latest
D.late

______(3)
A.expensive
B.inexpensive
C.expensively
D.inexpensively

______(5)
A.variety
B.various
C.variously
D.variuosness

At this time last month, they (work) _______ in Ho Chi Minh City.
A.were working
B.are working
C.has been working
D.had worked

Either my sister or I (be) ________going to visit our uncle tomorrow.
A.am
B.was
C.have been
D.had been

_________(1)
A.play
B.reach
C.shoot
D.come

__________(3)
A.to
B.with
C.of
D.for

__________(6)
A.to
B.off
C.with
D.about