根据下列各句句意和空白之后的汉语提示词，在答题卡指定区域的横线上写出对应单词的正确形式，每空只写一词。No one but ticket-holders will be_______(容许) into the zoo.
On________ (抵达)at the hotel please wait for further instructions.
_______(显然), diet and exercise are important to health.
Mrs. Green’s children all had such good_______.(礼貌)
The tunnel project has already fallen behind________(时间表)
There is a lot of rubbish________ (漂浮)on the surface of the river.
He tried to flee across the________ (边境)but was caught.
You’d better________ (咨询) a doctor about your illness.
Our company is planning to introduce the fiveday week________(制度、体系) .
If you fold the letter in two, it will fit into the ________(信封).