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) __________ rubbers. a) It is  b) They are 6) _________ a book. a) It is b) They are 7) _________ a frog. a) It is b) They are 8) ________ flowers. a) It is b) They are 9) _________computers. a) They are b) It is 10) _______ books. a) It is b) They are 11) _______ birds. a) It is b) They are 12) _______a card. a) It is b) They are

it is, they are

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?