1.I bought a hot ice-cream scoop that runs ________ electricity.

(     )5.-So kind of you to give me a ride to the station.

         -________.

        A.It doesn't matter          B.Never mind

        C.Don't mention it          D.With pleasure

(    )4.Horse used to be used for ___________ things for people.

        A.carry                  B.carried

        C.to carry               D.carrying

(    )3.Do you know who _______ the first plane in 1903?

        A.found                  B.discovered

        C.invented               D.found out

(    )2.Today,computers are really helpful. They ________ everywhere.

        A.use                    B.are used

        C.used                   D.were used

(    )1.-When was the car invented?

        -It ________ in 1885.

        A.invented               B.is invented

        C.was invented           D.has invented

8.I have to finish my school p_______ first.

7.Don't m________ that thing.It's boring.

6.Do you visit the ______________ (网站) I saw just now?

5.There are many young ________(先锋) in our school.