题干
In severe weather，traffic is restricted________certain roads that have been cleared of snow.
A：to
B：with
C：in
D：on
答案(点此获取答案解析）
A
In severe weather，traffic is restricted________certain roads that have been cleared of snow.
A：to
B：with
C：in
D：on
CO2+2H2O B．2H2+O2