Karaoke, which was invented by the Japanese, ______ both wonders and problems.
#102685
A
has been produced
B
was produced
C
produced
D
has produced
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Oh, it’s you! I _______________ about our meeting here.
#102246
A
have never dreamed
B
had never dreamed
C
never dream
D
never dreamed
 - Will you be available at three o'clock tomorrow afternoon? - No. I ______ a lecture then.
#99897
A
are attending
B
will have attended
C
will attend
D
will be attending
 She’s already two hours late. What ______ to her?
#104859
A
can have happened
B
may have happened
C
should have happened
D
must happen