题干
34. --- I think I’ll give Bob a ring.
--- You _______. You haven’t been in touch with him for ages.
A：will
B：may
C：have to
D：should
答案(点此获取答案解析）
D
A：will
B：may
C：have to
D：should
”是“双曲线离心率
”的 （ ）