问题
选择题
“All ______ present, and all ______ going on smoothly.” Said the secretary.
A．are; is
B．are; are
C．is; is
D．is; are
答案
答案：A
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“All ______ present, and all ______ going on smoothly.” Said the secretary.
A．are; is
B．are; are
C．is; is
D．is; are
答案：A