It is said that the old pot ____under the earth for about 1000 years by the time it was discovered.
#102218
A
had buried
B
had been buried
C
buried
D
were buried
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This is the first time that I _____ at the meeting.
#102465
A
had spoken
B
have spoken
C
spoke
D
speak
I would have come earlier, but I _____ that you were waiting for me.
#102993
A
didn’t know
B
hadn’t known
C
haven’t known
D
wouldn’t have known
 In no time ________ smoke coming out of the house.
#101549
A
did we see
B
we saw
C
are we seeing
D
we see
It’s said that a car accident_____________on the highway this morning. 
#104050
A
happens
B
happened 
C
was happened
D
has been happened