_______(19)
A.advantage
B.key
C.challenge
D.access

__________(21)
A.means
B.patterns
C.tools
D.styles

___, they continue to overeat and to eat the wrong food
A.Many overweight people realizing that they are threatening their health
B.Because of the fact that many overweight people are threatening their health
C.However many overweight people realize that they are threatening their health
D.even though many overweight people realize that they are threatening their health

We can determine the family that a bird falls in to by____like.
A.what the shape and behaviour of a bird are
B.what the bird’s shape and behaviour
C.the shape and behaviour of a bird
D.what are the shape and behaviour of a bird

___,the Emperor Justinian had overseen the building of more than a thounsand churches and monuments in Constantinople
A.By the time of his death in A.D.565
B.Being the time of death in A.D.565
C.Throughout the time of his death in A.D.565
D.The time of his death in A.D.565

The fourth year sociology class was a homogeneous group of university students
A.unrelated
B.uniform
C.distinguishable
D.dreary

He decided not to buy the fake watch and wait until he had more money.
A.genuine
B.counterfeit
C.cheap
D.unattractivie

- “A bat can hear from a long distance .” “________”
A.You bet
B.Yes, good hearer
C.No, you can be so sure
D.You know a bat well

the development company _____ approval from the council for their plans for a new shopping centre.
A.pleased
B.begged
C.sought
D.searched

_____ the book , please return it to me
A.should you find
B.will you be finding
C.will you find
D.will you have found