--Hello, Kate. How is your weekend at home?--Awful! You know it is the first time I ____ alone at home, bored to death.
#102867
A
has left
B
had left
C
had been left
D
have been left
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In the last few years thousands of films         all over the word.
#102635
A
have produced
B
have been produced
C
are producing
D
are being produced
 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