To protect the environment, the local government has put up a lot of ______ to warn the citizens not to litter the ground.
#11232
A
sighs
B
sights
C
signals
D
signs
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Jumping out of ___ airplane at a height of 5000 kilometers is ___ unforgettable experience.
#11800
A
an ; a
B
an ; an
C
an ; /
D
a ; an
. Good news! We didn’t spend ______ we had expected.
#14373
A
as half much money as
B
much money as half as
C
as much money as half
D
half as much money as
I can’t say which type of tea tastes better. It’s just a(n) ______ of personal preference.
#12580
A
affair
B
matter
C
variety
D
problem
Michelle found a job as a high school teacher which _____ spending quite a lot of time with students.
#13848
A
enjoys
B
involves
C
practices
D
suggests