children are standing ___ to get on the bus A.on line B.with

children are standing ___ to get on the bus A.on line B.with a line C.on a line .
the children are standing ___ to get on the bus A.on line B.with a line C.on a line D.in line 2.I think the snow will make ___ difficult for us ___ the way back home A.that,to find B.it,to find C.that,find D.it,find 请注明原因

1.选B stand in line \ wait in line 表排队等候 cut in line 表插队
2选D make it + 形容词 + to do sth 其中it 是形式宾语 真实宾语是后面的to do sth