循环经济只是政府行为，与普通公民关系不大。()

A. away
B. out
C. into
D. on

A. I will tell you
B. I will not tell you
C. you will not know
D. I would have tell you

A. would I feel
B. I felt
C. had I felt
D. I had left

A. Primitive people had to arm themselves with wooden sticks when they travelled.
B. Primitive people protected themselves with stone clubs when they travelled.
C. Primitive people had to travel in groups.
D. Primitive people never traveled at night.