I know Mr. Shuili; we ______ to each other at an English lecture.
#102636
A
are introduced
B
are been introduced
C
were introduced
D
had been introduced
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The boy as well as the two dogs _____ when the earthquake rocked the city. 
#99341
A
were sleeping
B
is sleeping
C
was sleeping
D
are asleep
—Look! Somebody     the sofa.—Well, it wasn’t me. I didn’t do it.
#101195
A
is cleaning
B
has cleaned
C
was cleaning
D
had cleaned
I have to walk upstairs. The lift        down.
#103011
A
was breaking
B
broke
C
will break
D
has broken