The teacher, with 6 girls and 8 boys of her class, ______ visiting a museum when the earthquake struck. 
#102081
A
would be
B
were
C
had been
D
was
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Ever since the financial crisis ________, many workers _______from their jobs.
#102508
A
broke out; were laid off
B
has broken out; were laid off
C
had broken out; had been laid off
D
broke out; have been laid off
 Wait a moment, please. When I _________ writing the letter, I will go shopping with you. 
#99366
A
will have finished
B
have finished
C
will finish
D
finished
―Why? Where is my cellphone?―Dear me! You _______ it in the taxi!
#101869
A
have never left
B
never left
C
haven’t left
D
didn’t leave