请选择ABCD+I;j)s1?,m/@3t2d3P,dMs John son wants us _________Exercise1, but you let us _________Exercise 4.+T+k,P2y2f9b
A.to do;to do+T+k,P2y2f9b
B.to do;do+T+k,P2y2f9b
C.do;do+T+k,P2y2f9b
D.do;to do+T+k,P2y2f9b