题目内容
9. cut off
9. 切断
10. run out of...
9. solve problems
2. 我在瓶底发现了一些奇怪的东西。
I found something strange the bottle.
4. 参加
14. environmental protection
( ) 2. The zoo keeper is worried because the number of visitors smaller and smaller.
A. become B. are becoming
C. is becoming D. have become
4. Use a (餐巾) to wipe your mouth after eating.
2. 这把椅子是木制的吗？
the chair wood?
挑战100单元检测试卷系列答案挑战100单元检测试卷系列答案挑战100单元检测试卷系列答案