My friends thought they had made things very smooth for me, but I felt there was still much to ________ with.
A：wrestle
B：compromise
C：associate
D：stress
肺是呼吸系统的主要器官，其功能是
- What is Jenny doing?
- She______.
在我国历史上，蒙古族曾建立了一个疆域空前辽阔的大元王朝。其建立者是（ ）
苹果公司上市新一代手机产品iPhone6，iPhone5S的价格也随之下降，降幅在人民币千元以上。IPhone5s降价的根本原因在于（ ）
