异位妊娠可存在的变化( )
A.子宫内膜呈蜕膜样改变
B.子宫大小与停经月数相符
C.子宫内膜呈分泌期改变
D.子宫增大大于停经月数
E.子宫内膜呈增殖期改变
参考答案:A
I _____ a fashion show this Sunday. [ ]
A. am going to have
B. have
C. had
D. will having
氧气是一种可燃气体。