His sister left home in 1998，and ________ since.
#99572
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has not heard of
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The teacher,with 6 girls and 8 boys of her class, ____visiting a museum when the earthquake struck
#102264
A
was
B
were
C
had been
D
would be
--- I hope you enjoyed the film last night.-----How on earth do you know I went to a film? I ________ you.
#100626
A
won’t tell
B
didn’t tell
C
haven’t told
D
hadn’t told
I can guess you were in a hurry. You your sweater inside out .
#103993
A
had worn
B
are wearing
C
were having on
D
were dressing
Every few years, the coal workers ___________ their lungs X-rayed to ensure their health.
#103745
A
are having
B
have
C
have had
D
had had