你想知道朋友说的人是学生还是老师，你问：
A.Student or teacher?
B.Student and teacher.
C.Boy or girl?
当你想表达“鸭子们正在往这边来”时，应说：__________
A. The ducks are come now.
B. The ducks are coming now.
当你想表达“这些是纸花”时，应说：___________
A. This is paper flowers.
B. These are paper flowers.
当你想表达“它们正藏在树下”时，应说：_________
A. They are hiding the tree.
B. They are hiding under the tree.
当你想表达“它们很淘气”时，应说：________
A. They’re lovely.
B. They’re naughty.
选择正确的翻译，将序号写在括号里。