原式=43+33=73.
故答案为:73.
---Have you called Mr Johnson’s office?
---Yes. He ____back before tomorrow noon. So he can attend our meeting on time.
A.expected
B.is expected
C.is expecting
D.is to expect
筛窦囊肿或肿瘤病变侵犯眼眶引起的眼球移位为()。
A.眼球向前突
B.眼球向外移位
C.眼球向上移位
D.眼球向外上移位
E.眼球向外下移位