Some people who don't like to talk much are not necessarily shy;they ________ just be quiet people.
#11446
A
must
B
may
C
should
D
would
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She ________ in his English till now , but Wei Hua still works hard in order to be____ at it.
#13180
A
has made a progress; better
B
is making progress; more better
C
is making a progress; better
D
has made progress; better