Why didn't you let John in?<br/><br/><span style="color:#800080;">1-How was I supposed to let him in? <u>He did not knock to let me know he was here</u>. I guess he was so drunk he just passed out behind the door.</span><br/><br/><span style="color:#800080;">2-How was I supposed to let him in? <u>He did not knock in order to let me know he was here.</u> I guess he was so drunk he just passed out behind the door.</span><br/><br/><span style="color:#800080;">3-How was I supposed to let him in? <u>He did not knock so that I would know he was here.</u> I guess he was so drunk he just passed out behind the door.</span><br/><br/><span style="color:#800080;">4-How was I supposed to let him in? <u>He did not knock for me to know he was here.</u> I guess he was so drunk he just passed out behind the door.</span><br/><br/>Which are acceptable in the given context? Only the underlined sentences changes.<br/><br/>Gratefully<br/>Navi.