In India, the demand for ......... has always been more than the supply

1.In India,the demand for......... has always been more than the supply
A.Shortage
B.sources
C.electricity
2..........energy is produced by collecting sunlight and converting it into electricity
A.hydro electric
B.nuclear
C.Solar
D.Wind
3.Last summer we went to Russia.....the ferry.It was wonderful
A.at
B.on
C.in
D.by
4.They came to their office.......bus
A.at
B.on
C.in
D.by
5.I won't go there by car i'll will go......foot .It't better for my health
A.at
B.on
C.in
D.by
6.The train for Cambridge will depart from number 9
A.Baggage
B.platform
C.pavement
D.highway
7.all flights to New York will be....... because of bad weather.
A.Delayed
B.soon
C.late
D.early