When will the railway that connects the two cities open—_____ next year.Only two thirds been built.

下列各句中，没有语病的一项是( )

How do you like the two pairs of trousers— They don’t fit me well. They are ______ too long ______ too short.

Starting your own business could be a way to achieving financial independence.___; it could just put you in debt.

When I tried to find _________that prevented so many people from taking part in the program, it seemed to me that there were two main reasons.