Some amazing people _______ our world for the better in the past 100 years.
#101225
A
change
B
are changing
C
have changed
D
had changed
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She ____ necklaces with the help of Ms Sullivan when she ____ that she had made some mistakes.
#101149
A
was working, was noticing
B
made, was noticing
C
made, noticed
D
was making, noticed
 —Why don’t we choose that road to save time?—The bridge to it _____________.
#100093
A
has repaired
B
is repaired
C
is being repaired
D
will be repaired