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1. Do...don't
2. Does....does
3.like
4.Do....do
5.Do...They
1 to finish
2 adding
3 to have
4 to do
5 to finish
6 working
7 writing
8 to complete
9 to get
10 to show
11 putting
12 to be
13 to email
14 to remember
2 The meeting will be held before May Day
3 The engine of the car has to be repaired
4 A story is going to be told by the teacher
5 The cake is being cut with a sharp knife by Mary
6 Luckily for me, my name wasn't called
7 His story isn't believed
8 After class, the chalk board is always erased by one of the students
9 The victims have been provided with food and drink
11 Each of us were given 2 exercises books
12 He will be told that news
13 A lot of money was paid me to do the job
14 The window of the laboratory has been changed
25. cleverer nhé (of the 2_ 27. C 29. C (help someone to do/ do sth) 30. D
are saving-are going to buy
listening - reading
are sleeping
makes
will not rain
does not go
to travel
laughing
less => fewer
lately=> late
does it cost => it costs
are => is
four-hours => four-hour
proud
actress
older
II
a)are saving/will buy
b) listening/reading
c)are sleeping
d)makes
e)won't rain
f) isn't going
g)to travel
h)laughing
x - 4/9 = 1/2 + 1/3
x - 4/9 = 5/6
x = 5/6 + 4/9
x = 23/18
vậy x = ...
\(x-\dfrac{4}{9}=\dfrac{1}{2}+\dfrac{1}{3}\)
\(x-\dfrac{4}{9}=\dfrac{5}{6}\)
\(x=\dfrac{5}{6}+\dfrac{4}{9}=\dfrac{15}{18}+\dfrac{8}{18}\)
\(x=\dfrac{23}{18}\)