1．---What beautiful exhibits! Do you mind my taking pictures of them?
--- . Please go ahead.
A．No way B．No, better not C．Never mind D．Not at all
2． 2010 Shanghai World Expo will launch underground network of 700 kilometers of pipes to provide natural hearting and cooling.
A．The; an B．The; the C．不填；the D．不填；an
3．---Have you watched the live Oscar Award presentation?
---I it online later because of an important date.
A．watched B．had watched C．was watching D．have watched
