Chairman (主席) Xi asks us strict economy (厉行节约) in our daily life.A. practiceB. to practice

问题补充：

Chairman (主席) Xi asks us strict economy (厉行节约) in our daily life.

A. practice

B. to practice

C. practices

D. practicing

答案：

A. practice

(答案→)B. to practice

C. practices

D. practicing

解析：句意：习主席请我们在日常生活中要厉行节约。这里是短语ask sb to do sth请某人做某事；故选B。