Hi,<br/><br/>I have trouble putting the word 'in' sentential situations like this. <br/><br/>The key to it is the way <u>in which</u> it can be achieved.<br/><br/>Why not this?<br/><br/>The key to it is the way <u>which</u> it can be achieved.<br/><br/>I think you can say:<br/>It can be achieved this way or in this way.<br/><br/>I see the word 'in' missing sometimes when the word 'way' is used; but mostly the word 'in' seems to be present when it is used.