The rules require that ______you only one guest to the dinner. But they requires______ 

I’ve ordered some pizza, so we _______ worry about cooking when we get home tired.

—Is there a fog in the evening ?—There           be . I’ll make a phone call to find it out .

 --How do you find the health club? -- I ______. Everyone is saying its management is going from bad to worse. 

—I left my handbag on the train, but luckily someone gave it to a railway official.—How unbelievable to get it back! I mean, someone ______ it.