what to do 和how to do it
be made of 和be made from
if如果
most of which,most of whom
in和during
knowing that……， I……
a一个，the特指这个那个
there is还是there are
get done
some……others……，一些……，其他的……
both……and……，not only……but also ……
直接引语倒装
can hardly或could hardly,几乎不能
so……that ……如此……以至于……
ask for和ask sb for sth
decide to do sth决定做某事
one the other 和other
too much,too many ,much too
such和so
unless 如果……不……
