The government placed _____ on the numbers of foreign cars that could be imported.
#6930
A
limitations
B
restraint
C
requirements
D
restrictions
These continual _____ in temperature make it impossible to decide what to wear.
#6936
A
alterations
B
vibrations
C
waves
D
fluctuations
 They were trying to remove harmful ______ from cigarettes.
#6937
A
content
B
substances
C
materials
D
mixtures
Though__ __ came that he was completely defeated, he didn't lose ______.
#6938
A
the word; his heart
B
the word; heart
C
word; his heart
D
word; heart
I haven't got a single ______from Aunt Mary since I last saw her.
#6939
A
advice
B
news
C
message
D
information
We’ll be free tomorrow, so I suggest ____ to the history museum. 
#6943
A
to visit
B
visiting
C
we should visit
D
a visit
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