网址：http://m.1010jiajiao.com/timu3_id_2402450[举报]
?When will Mr. Black come to Beijing?
?________ September 5.
A. On
B. To
C. At
D. In
_______ September 5.
A. On B. To C. At D. In
–When will Mr. Black come to Beijing? –____ September 5.
A．On
B．To
C．At
D．In