1) _______ a pen. a) It is b) They are 2) _________ pencils. a) It is b) They are 3) ________ a rubber. a) It is b) They are 4) ________ a desk. a) It is  b) They are 5) flowers. a) It is b) They are 6) _________ a book? a) Is it b) Are they 7) _________ clouds? a) Is it b) Are they 8) ________houses? a) Is it b) Are they 9) Is it a tree? a) Yes, it is. b) No, it isn't. c) Yes, they are. d) No, they aren't. 10) Are they bushes? a) Yes, it is. b) No, it isn't. c) Yes, they are. d) No, they aren't. 11) Are they books? a) Yes, they are. b) No, they aren't. c) Yes, it is. d) No, it isn't. 12) Is it a board? a) Yes, it is. b) No, it isn't. c) Yes, they are. d) No, they aren't. 13) Are they clocks? a) Yes, they are. b) No, they aren't. c) Yes, it is. d) No, it isn't. 14) Is it a map? a) Yes, it is. b) No, it isn't. c) Yes, they are. d) No, they aren't.

fh2 it is, they are, Is it, Are they

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？