Why are you still here? It’s already seven o’clock.—Because I ________my work. Don’t worry. It’s almost done.

My father has just bought a new computer.— Really? How lucky are!

Itake care of my little sister at home today.

Some scientists think that it may take ______years to make robots look like people, and do the same things as us.

She wants _______ an Mp3 _____me on my birthday.