---when _______the telephone________，do you know?---Yes．In 1876．
#39777
A
was，invented
B
are；invented
C
did；invent
D
had，invented
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--- I didn’t see you at the party yesterday. Why? --- Because I ________ for an important person from America at that time.
#40452
A
was waiting
B
is waiting
C
will wait
D
have waited
Many doctors and scientists are working hard on curing AIDS. We hope AIDS _____ one day.
#41672
A
will cure
B
will be cured
C
will treat
D
will be treated
The flood _____ about _____ people since it happened.
#38625
A
has affected; 10 million of
B
has affected; 10 million
C
affected; 10 millions of
D
affected; 10 millions