Weusuallytaketurns

We usually take turns________cleaning，and today it is my turn________it.

A．to do；doing B．do；do

C．done；doing D．to do；to do

D　第一空為take turns to do sth.“輪流幹某事”；第二空為It is one's turn to do sth.“輪到某人幹某事”，故選D項。