Over the past decades, the population in this country      because of the rising birth rate, immigration and the declining death rate.
#99064
A
has been increasing
B
have been increasing
C
had increased
D
have increased
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Since then the number of people taking driving lessons ________ 20%. 
#102813
A
has increased to
B
increases by
C
has increased by
D
have increased by
——Alvin, are you coming with us?—— I’d love to, but something unexpected _______.
#101015
A
has come up
B
was coming up
C
had come up
D
would come up
 Quantities of precious jewelry_____ buried_____ in the earth. 
#101917
A
was found; deeply
B
were found; deeply
C
was found; deep
D
were found; deep