there are three__in our class

There are( )rules in our class. There are forty s____ in our class. There are "45"students in our class There are three ___in our class. There are ___sixty students in our class There are sixty students in our class. there are thirty students in our class.(对there提问) There are fifty-six students in our class.in our class做什么成分啊 There are many students in our class改为同意句 There are 45 m什么什么 ... in our class There are forty studonts in our class对forty提问 There are 50 students in our class.(同义句)