Can you think of some cases where drivers obviously______ the traffic rules but don’t obey them?
#68008
A
have instructed in
B
have instructed
C
have been instructed in
D
are instructed
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It is human activities on the earth that are to ______global warming.
#71880
A
be blamed for
B
blame for
C
take charge of
D
be responsible with
 Would you like to _____ us in our discussion?
#81457
A
take part in
B
join
C
taking part in
D
joining