is watching
现在进行时用所给词的适当形式填空：Are you free?Shall we()(go)to the Zoo?Sorry,I()(do)myhomework now.go,am doing用所给词的适当形式填空：My sister can()(dance),what can you do ?dance用所给词的适当形式填空：Can kate()(dance).Yes,she can.--look!she()(dance)over there.dance... is dancing