It’s ______to send an e-mail than a regular mail.
—You look so tired. —Yes. The loud noise upstairs stopped me the whole night.
You may get lost easily in big cities like Beijing you have a map or a guide.
—Do you know ?—I’m not sure, maybe he is an artist.
The car exhibition was very . The company received lots of order forms.
Another two months will be needed before the new airport .