单项选择题


A．stand by
B．stand on
C．stand up
D．stand with
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单项选择题
A．actionsB．viewsC．messagesD．feelings
A．actions
B．views
C．messages
D．feelings
单项选择题
Mr. Grey has two sons, _________ are famous dancers.
A．both they
B．both of them
C．they both
D．both of whom
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