I think robot will play an important role in our life. Don’t you think so?—Yes. _________________________.
Look! So many passengers________ with their phones on the underground.
This kind of CD-ROM is very popular. Why not buy one before it________ ?
Is this ___ magazine?No, it’s not _____. It belongs to ____.
Alien had to call a taxi because the box was _____ to carry all the way home.