— The sick man’s allowed to take a walk in the garden every day, ________?

    — Yes, I think so.

A. is he              B. isn’t he                           C. has he                D. hasn’t he

Tom used to be late, ＿＿?

A. didn’t he   B. isn’t he    C. did he   D. use not be

My brother’s never been late for school up till now, ________?

A．is he             B．isn’t he          C．has he            D．hasn’t he

Zhu Zhiwen’s never been to Hongkong, _______?