_________(28)
A.However
B.Therefore
C.Although
D.Despite

________(29)
A.forbade
B.avoided
C.discouraged
D.disappointed

_________(31)
A.methods
B.systems
C.means



systems
D.ways

_________(33)
A.heart
B.focus
C.halfway
D.middle

__________(35)
A.show
B.appear
C.happen
D.become

It is time___________.
A.the children to go to bed
B.for the children to go to bed
C.for the children to going to bed
D.for the children go to bed



for the children to going to bed

Choose the underlined part (marked A, B, C or D) that needs correction.
I had to drive to the factory to pick up my brother, who’s car wouldn’t start.
A.had to drive
B.the
C.to pick up
D.who’s

What is the best title for the passage?
A.Thomas Edison’s many inventions
B.Improvements in telephone and telegraph
C.The History of Menlo Park
D.An accidental invention

What was Edison working on when he created the phonograph?
A.A telegraph repeater
B.A telegraph diaphragm
C.A telephone repeater
D.A telephone diaphragm

According to the passage, how did Edison test his new invention?
A.He made improvements to the machine.
B.He used a carbon transmitter.
C.He read a children’s rhyme.
D.He produced the audience voice.