1) I'm playing volleyball. a) b) c) d) 2) Are you collecting shells? a) b) c) d) 3) He's swimming in the sea. a) Yes, he does. b) Yes, he is. c) No, he isn't. 4) Is she making a sandcastle? a) No, he isn't. b) Yes, she is. c) No, she isn't. 5) Are they fishing? a) No, they aren't. b) Yes, they are. c) No, they can't.

PRESENT CONTINOUS

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?