4、eisalwayssomethingchallenginginourlife.We have no other choice but to faceit.5.can’thelpbutdo/can’thelpdoing①WhenIheardthis,Icouldn’thelpthinkingofmyparents.②Whenitcametothesadpart,shecouldn'thelpbutburstintotears.6.benothingbut(interesting)(but意为“除了”,“除了有趣什么也不是”,意即“非常有趣”)Thefilmwesawlastnight