_____ important for us _____wild animals and birds.
| A．It; protect | B．It; protecting |
| C．It’s; to protect | D．They’re; protect |
_____ important for us _____wild animals and birds.
| A．It; protect | B．It; protecting |
| C．It’s; to protect | D．They’re; protect |
试题篮
()
粤公网安备 44130202000953号
