词组：because of
come up come up with come in come on come out
actually in fact as a matter of fact in reality
be based on
at present
make use of make full/good use of
such as
play a part/role in
recognize…as
more than one+谓语用单数
at the end of in the end at an end
voyage tour travel journey
than ever before
even if/though
communicate with
those+定语从句用who
1600’s 1980s in+物主代词+数字的复数in his forties
the former the latter
a number of the number of
make sense
usage VS use
believe it or not
there is no such+名词(不加冠词)
the way+in which/that/省略
especially specially
straight adj/adv