1.
1)
Because
2
1)
advise sb. (not ) to do sth.
2)
ask sb. (not ) to do sth
3)
invite sb. to do sth
4)
order sb. (not ) to do sth
5)
tell sb. (not ) to do sth
6)
warn sb. (not ) to do sth
7)
to close the windows
8)
not to run
8B Unit One
三
1
1)
until 2) not until
2
1) alone lonely
四
1
4)①never ②yet ③for ④since
5)
① has turned ②come back yet ③have known ④ Has gone to ⑤been to
8B Unit Two
三
1
1)
will write
as soon as 2) as soon as she gets home
2
1)
excited exciting 2) even though
3
1) talking 2) to have a rest
四
1
1)
were talking about 2) were doing 3) Were reading
2
1)
when 2)
while
3
1) so that 2) so difficult that 3) so slowly that
8B Unit Three
三
1
1)
called 2) called Max 3) a place called
2
1)
arrived
2) gets to school 3) have reached
3
1) by 2) by 3) by 4) by
四
2
①The machine was made last year.
②The play isn’t written by the writer.
8B Unit Four
三
1
1)
our duty 2) not easy to make model planes
2
1)
to close
2) showing
3
1) it will rain 2) to be
happy
四
1
1)
because of
2) because
2
1)
so 2) so
3
1)①hope ②wish 2)①hope to ②hope that
8B Unit Five
三
1
1)
Why not 2) Shall meet 3) Let’s4)going boating
2
1)
teaches how to 2) teaching to swim teaching myself
3
1)
①so that ②too to③old enough to
2)
①so tall that ②tall enough
四
1
1)
they 2) is
2
1) used to work 2) are used
to operating 3) are used to
8B Unit Six
三
1
1)
I have come.
2)
I have been here for ten minutes.
3)
I bought this book last year
4)
They have had the magazines for a week.
5)
Susan’s grandpa died two years ago.
6)
Susan’s grandpa has been dead for two years.
2
1)
used to 2) is used to 3) are used to 4) was used by
四
1
1)
It is necessary to drink enough water.
2)
It is hard for the blind to do shopping in the
supermarket.
3)
It is useful to listen to news every day.
4)
It is not possible for most students to go to bed early.