`1`. B ( study `->` studying )

`-` DHNB : at the moment `->` HTTD

`-` HTTD `(+)` S + am/is/are + V-ing + O

`2`. A ( Do `->` Did )

`-` DHNB : last year `->` Q ...

`->` The yard is bigger than the stadium

`-` SSH TTN : S1 + tobe + adj_er + than + S2

`->` Sân lớn hơn sân vận động.

`1`. C

`-` S + am/is/are + ...

`-` There is + N số ít

`-` N + and + N

`-` in + ở bên trong

`2`. A

`-` old ( già ) >< young ( trẻ ...

`2`. It is a big school

`3`. They are beautiful girls

`4`. It is a great country

`5`. He is an intelligeant boy

`6`. There are thick books

`---`

`@ ...

`VI`

`26`. the

`27`. an

`28`. a

`29`. a

`30`. the

`31`. an 

`32`. 0 - the - 0

`33`. the 

`34`. an

`35`. a

`36` ...

`-----------------------`

`@` HTĐ 

`***` Công thức V tobe 

`(+)` S + am/is/are + ... 

`(-)` S + am/is/are + not + ... 

`(?)` Am/is/are + ...

`171`. What is the thickness of that novel?

`-` How thick + tobe + N? `=` What is the thickness of + N?

`172`. What a lovely dinner!

`-` Cảm thán : What + a/an + adj + N ...

`3`. What is the longest vacation?

`-` summer vacation : kì nghỉ hè `->` là danh từ, chỉ một cái gì đó

`->` Dùn ...

`->` Do the festival goers gather at the river to cheer the contestants?

`-` HTĐ `(?)` Do/does + S + V(bare) + O?

`-` N số nhiều `->+` Do

`@` Gốc

   Energy is considered a form of capacity, the ability to perform work. Energy is a special form of matter, existing in many different forms: solar energy, wind energy, nu ...