His mother.
His father.
His novels.
His friends.
第1题:
第2题:
第3题:
甲是乙的必要条件,但不是乙的充分条件
甲是乙的充分必要条件
甲是乙的充分条件,但不是乙的必要条件
甲既不是乙的充分条件,也不是乙的必要条件
第4题:
through
along
out
aside
第5题:
you win or lose
you play or learn
you are happy or not
you feel hard or not
第6题:
set aside
set out
set up
set in
第7题:
remarkable
perfect
indispensable
outstanding
第8题:
incident
accident
case
event
第9题:
make up for
keep up with
come up with
put up with
第10题:
{1,2,3}
{1,2,4}
{1,3,4}
{1,2,3,4}
第11题:
where
which
what
when
第12题:
2x-7y+8=0与2x-7y-6=0
2x+3y-8=0与2x+3y+18=0
3x+4y=10与3x+4y=0
y=x与3y-3x+5=0
第13题:
has stayed
stayed
is staying
stays
第14题:
both
two
either
every
第15题:
The grandson.
The girl.
The poor.
The old.
第16题:
will go
go
shall go
should have gone
第17题:
Large population
educational institutions
Transport system
beautiful parks and gardens
第18题:
hoped
told
let
wished
第19题:
who
that
whom
whose
第20题:
relieved
reflected
responded
recovered
第21题:
we’re going to fly
we’ll be flying
we’ll fly
we’re to fly
第22题:
custom
habit
hobby
convention
第23题:
keeps its promise
provides the same products
sells its products at a low price
delivers its products without delay
第24题: