I wonder _______ there are so many natural disasters across the world in 2010.
A．why is it B．it is why that C．why is it that D．why it is that
Into the dark apartment _______, who was quite surprised when everyone shouted “Happy Birthday”.
A. did David walk B. David walked C. David did walk D. walked David
Sorry I’m so late, but you cannot imagine _______ great trouble I took to find your house.
A. what B．how C．which D．why
I’m going to buy my daughter another interesting novel, _______ she would like to read．
A．that B．what C．one D．it
_______ playing dumb with teachers．They know very well their students.
A．It’s no use B．There’s no doubt C．It’s no wonder D．There’s no need
— I heard the phone ringing in the office next door.
— You _______ it. They haven’t got a phone yet.
A．couldn’t hear B．couldn’t have heard C．didn’t hear D．wouldn’t have heard
