题目内容：

根据句子意思，从方框中选用恰当的单词或短语填空。

lead to, fall behind, once a month, take care of , terrible, on business,closed, chopsticks, the most expensive

1.Simon works hard all the time so he won’t ________.

2.This is ________watch in the shop. I can’t afford it.

3.Amy goes to the reading club________.

4.It’s our duty to _______our parents when they are old.

5.A __________earthquake hit Nepal on April 25,2015 and many people gave a helping hand.

6.My father has gone to Hongkong __________. He will stay there for two weeks.

7.The local government _____ the factories which caused water pollution in that area.

8.Those western students in our school try to use ________when they have meals.