The park gates ______ at 10:00 every evening.
A:lock
B:locked
C:are locked
D:were locked
意大利处于地中海沿岸,夏季炎热干燥,冬季温和多雨,有利于农作物成熟.这里有比较发达的( )
There are lots of _____that students have to follow in school.