是of our class,还是for our class?

是of our class,还是for our class? 是in our class 还是at “我们班的班长”是monitor to our class还是monitor of …… one of best students in our class ____Tomis 还是 are ______ of our class.填a monitor 还是 monitor Thank you for o___ the class trip for usWhat do you t___ of our new school? 为什么?我选的是cTo save class time,our teacher has _____students do half of the exercise in class and complete the other half for homework.a.us b.we c.our d.oursour students 为什么不行 he in our class还是he is in our class Each of the students in our class _______ (study) very hard for the English Our class teacher is always kind_____us. A.to B.for C.at D.of What will be the results _________ the students in our class?A.of B.for we should not do bad things ( ) our class.括号中应填for还是to请解释为什么 Make rules for our English class Each of the students in our class - books 中间用have还是has? 这题用whom还是them?We have 40 students in our class,20 of（ ）are girl . in our class one in three students is 还是are那如果是one third of the students呢?这种类型怎么看? the monitor is telling us( )the new rules of our class.括号里可填：a.about b.of c.for 帮我把下面的英文译成汉语Thanks for all you have done for you for our class.This poem is for encouraging for both of us.