—Who has taken my pen away?
—__________. He was here a moment ago.
A. It must be Li Ping B. It is Li Ping take
C. Li Ping is D. Li Ping must take
—Who has taken my pen away?
—__________. He was here a moment ago.
A. It must be Li Ping B. It is Li Ping take
C. Li Ping is D. Li Ping must take
A
本题是对情态动词的考查。句意表示肯定的推测用must，而it指问句中提到的who。