1)We should make out whether exhibition opens or not .2)It is not opened that whenever they come .3)How to choose the route is our problem.4)The reason why she went to beijing is quite clearly.5)It is... 1)We should make out whether exhibition opens or not .2)It is not opened that whenever they come .3)How to choose the route is our problem.4)The reason why she went to beijing is quite clearly.5)It is...