Do you know a spaceship flies at about nineteen kilometerssecond ?

I don’t think it is teachers who ______ for giving students too much pressure.

Well, Idothinktherabbitisabeautiful,gentleanimalwhichcanrunveryfast.– ______.

The mobile phone has influenced people’s life a lot since it .

Do you know how to _______this word? –Yes, B-A-L-L.