---I have finished my homework already, mum.--- When ________ you ________ it?
#39868
A
did; finished
B
did; finish
C
have ; finished
D
were; finishing
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His English ________ a lot since he took the course.
#37514
A
improved
B
was improved
C
has improved
D
has been improved
A:Does your sister           a CD?B:Yes, she           .
#41628
A
have, has
B
have, does
C
has, has
D
has, does