11.21词组:
send sth. to sb.=send sb. sth.把某物寄送给某人
There is/are going to be... 将有…
promise sb. to do sth.答应某人做某事
have to do with...关于;和…有关系
of one's own某人自己的
on one's own单独;独自地
too...to太…而不能
keep on doing sth.继续做某事
try one's best尽某人最大的努力
at the beginning of...在…开始