-Steven, could you help me_______ when the plane will take off on the Internet?-I'm sorry, my computer doesn't work.
– Hey, Tony. You look so tired today.– I 11 o’clock last night for the math test.
It’s very nice of you each of us a gift.
The surface of Mars is like the surface of earth than planet in our solar system.
I don’t know if he tomorrow. If he , I’ll meet him.
The girl was heard the piano in the music room at 7 this morning.