-Ten minutes ago, there __________ an eraser, a pen and some books on the desk.But now there __________ anything on it.-Don't worry. Maybe someone put them away.A. was, isn't B. were, isn't C. is, wasn'tD was, wasn't
If it _______ tomorrow morning,we’ll go out for a picnic.
--- _______ I come back before 6 o’clock? ---No,you _______.But you _______ be back later than 7 o’clock.
---What’s up? ---There is _______ with my computer. It doesn’t work.
---Why not _______ a party this week? ---That’s a good idea.
Playing with _______ robot is _______ unusual experience for me.