refer to    to some degree      get through     in the long run

pay off       due to              major in           be aware of

make a difference,   in favour of,   have an effect on,

in response to,      consist of,     look forward to，

take turns,          be caught in,

on the way out,      bring up

engine   carpenter   cartoon   amusement   eagles   slide   swing   tourism

must, should, ought(nt)to, don't, have to, couldn't, mustn't, needn't, have to