1) Is he playing baseball? a) Yes, he is. b) No, he isn't. 2) Is he playing tennis? a) Yes, he is b) No, he isn't. 3) Is she doing gymnasctics? a) No, she isn't. b) Yes, she is.

Present Continuous interrogative

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?