问题
选择题
4.Can you imagine this shy _______ at the concert?
A．girl to sing
B．girl to be singing
C．girl’s singing
D．girl to have sung
答案
答案：C
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4.Can you imagine this shy _______ at the concert?
A．girl to sing
B．girl to be singing
C．girl’s singing
D．girl to have sung
答案：C