1) What are you doing? a) I'm painting a picture. b) I painting a picture. 2) Is he playing computer games? a) Yes, she is. b) Yes, he is. 3) Are you doing your homework? a) Yes, I am doing. b) Yes, I am. 4) Are they watching TV? a) Yes, they are. b) Yes, they are watching TV. 5) What are they doing? a) They're cooking lunch. b) They're cook lunch. 6) Is she having a shower? a) No, she is. She's brushing her teeth. b) No, she isn't. She is brushing her teeth.

SM2 ...ing

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？