【be 短语】1.be able to do能够 ；2.be available to可被利用；3.be bound to一定；4.be concerned with 涉足…；5.be dying to渴望；6.be fed up with受够了；7.be tired of 厌烦；8.be in hospital 住院；9.be in the mood 心情舒畅；10.be pressed for time时间紧逼；11.be tied up 很忙；
