牙髓炎症的主要感染途径()
A.深龋
B.外伤
C.发育异常
D.牙周袋
E.楔状缺损
参考答案:A
接上题,除了取得奖金的员工享受额外收益外,吕总也为此获得了()元的成本节约。
A.240
B.176.2
C.264.2
D.300
Last year I applied to Princeton University.I ____ they would say yes—but they did, and now here I am.
A.never think
B.am never thinking
C.have never thought
D.never thought