If you _______ carry with you the belief that all you do is right, it’s none of my business.
| A．should | B．may | C．can | D．must |
It was rude ______ you to stare at the foreigner when he passed by just now.
| A．of | B．for | C．with | D．to |
Would any one of you please tell me ______ to the railway station?
| A．how far is it | B．how far it is | C．how far is | D．how far |
The reason for his success is ______ he worked very hard.
| A．why | B．that | C．whether | D．how |
______ anyone should want to kill her was unbelievable.
| A．Whether | B．That | C．What | D．If |
The government has to close those small factories to prevent the water of the river ______.
| A．polluting | B．from polluting | C．being polluted | D．polluted |