Its nearly seven oclock . Jack be here at any moment .A. mustB. needC. shouldD. can

问题补充：

It\s nearly seven o\clock . Jack be here at any moment .

A. must

B. need

C. should

D. can

答案：

A. must

B. need

(答案→)C. should

D. can

解析：should 表示“可能、期望、估计”等推理含义。