Tom’s uncle knows computers well, and he __________ a computer engineer .
#74807
A
maybe
B
may be
C
may be is
D
may is
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 -- Are these _______ all from No. 2 Middle School? -- Yes. They often _________ their free time to help the old here.
#74662
A
volunteers; volunteers
B
volunteer; volunteers
C
volunteers; volunteer
D
volunteer; volunteer
The colour yellow______ the feeling of________.
#77339
A
makes;energy
B
creates;warmth
C
represents;purity
D
creates;harmony
That man over there _____ be Mr Wang . He has gone to Yushu. 
#74843
A
may
B
mustn’t
C
should
D
can’t