According to paragraph 1 the special floor creates ele
A.someone looks at it
B.someone cleans it
C.someone covers it
D.someone steps on it

overline ab 101 overline aaa0 overline abab nbsp ove
A.\(\overline {aaa0} \)
B.\(\overline {abab} \) 
C.\(\overline {abcabc} \) 
D.\(\overline {abcab} \)

The children are about the coming holiday excited exc
A.excited
B.exciting
C.excitement
D.excitely

but as so however Giải chi tiết A but S + V nhưngB as
A.but
B.as
C.so
D.however

whom which who where Giải chi tiết Trong mệnh đề quan
A.whom
B.which
C.who
D.where

water to water nbsp watered watering Giải chi tiết ta
A.water
B.to water  
C.watered
D.watering

Both Nam and I like reading comic books going swimming
A.like
B.comic books
C.swimming  
D.play sports

Mary and her friends is going to a party tonight her i
A.her
B.is  
C.going to  
D.tonight

Smith is enough old to make such an important decision
A.enough old
B.make  
C.important  
D.like

They have built two department stores for two years Tw
A.Two department stores have been build for two years.
B.Two department stores has been built for two years.
C.Two department stores are built for two years.
D.Two department stores have been built for two years.