A：the temperature falls below zero here
B：falls the temperature below zero here
C：does the temperature fall below zero here
D：has the temperature fallen below zero here
The leg this desk is broken(坏的).
Anna is in a hurry because the train is leaving half an hour.
中国特色社会主义事业总体布局经历了不断的丰富、发展和完善。到党的十八大提出了五位一体的总体布局．它是在四位一体总体布局的基础上断增加了（ ）
2的相反数是（ ）
