一.which class / school are you in?为什么要加In

一.which class / school are you in?为什么要加In
二.-（ ）
-Yes ,Thank you.
1.I see your dogs.2.Your passport is there.
3.look after your passport.4.It's your passport.
三.in the wall,on the wall 有什么区别?各举一个例子
四.It's a new pencil.it look ( )yours.
1.like 2.the same
五.-How many pictures are there on the wall?
-( ),They are three
1.Let me ask 2.let me see
3.let me count them
六.put away 是“把东西放回原位”的意思吗?可以翻译成“把.
七.Mr.and Mrs.Black ( )a big house.
1.have 2.has
Mr.and Mrs.Black 可以用Mrs.Mr.and Mr.Black 替换吗
八.You have a nice knife.Let me ( )
1.have a look 2.look it 3.see it
九.the clothes on the bed are clean.( )
1.put them in the wardrobe.
2.put them to the wardrobe.
十.sweet heart 甜心?ice cream ,fruit,vegetable是可数名词吗?