the three elements of productive forces, namely, the people, the means of production and the subject of labor, the people is that most critical.

(2017·北京) Jane moved aimlessly down the tree-lined street, not knowing ______she was heading.

It is going to be ________ tomorrow.

The boy looks nice____white and the red sweater looks good _____the girl.

It is ______ Tom often breaks the school rules _______ makes his teacher unsatisfied with him.[ ]