21.(lock)Beforeyouenterthehouse,youhaveto(unlock)thedoor.22.(propose)Ifeelverysorrythatthebossdidn’tpayanyattentiontomy(proposal).23.(unexpected)Franklyspeaking,Ididn’t(expect)toseeyouhere.24.(unusual)I(usually)goshoppingonSundays,ingSundayIamgoingswimming.25.(ordinary)Thisnovelis(extraordinarily)interesting.Isuggestyoureadit.语法Part3Structure1.Itwasn’tsuchagooddinner(as)shehadpromisedus.2.Theydecidedtochasethecowaway(before)itdidmoredamage.3.(Any)monsenseshouldbeabletoanswerthequestion.4.All(that)ecessitiesoflife.5.(pared)withthesizeofthewholeearth,thehighestmountaindoesnotseemhighatall.6.ident,orhe(wouldhavebeenhere)then..7.Itwasessentialthattheapplicationforms(besent)backbeforethedeadline.8.We(hadjusthad)ourbreakfastwhenanoldmancametothedoor.9.Themanagerpromisedtokeepme(informed)ofhowour