题目内容

29. The professor suggests John apply for a ______

查看答案

搜索结果不匹配？点我反馈

更多问题

28. John's main problem is getting good quality ______

27. The professor advises John to make a ______ of his design.

26. John needs help preparing for his ______ .

36. Non-alcoholic preservative should be used.

A hand collecting
B using bait
C sampling ground litter
D using a pitfall trap