1.havearest（休息）havealook（瞧瞧）haveagoodtime（過得開心）takeashower（淋浴）takeabreak（休息）takeabath（洗澡）getacold（患感冒）getafever（發燒）developintoahabit（養成習慣）makealiving（謀生）makeaguessat（猜測）makeadifferencebetween（區分）inamoment（過一會兒）inasense（在某種意義上）inaway（在某種程度上）onceinawhile（間或）haveanadvantageover（優於）haveanedge（略勝過）asaresult（因此）asarule（通常）asawhole（總體上說）alotof許多2.alittle/afew/alot/atypeof/apile/agreatmany/manya/asarule/inahurry/inaminute/inaword/inashortwhile/afterawhile/haveacold/haveatry/keepaneyeon/allofasudden等。3.astrongwind/aheavesnow/adelicioussupper夠了不？？？