The pilot asked all the passengers on board to remain ______ as the plane was making a landing.
| A．seat | B．seating | C．seated | D．to be seating |
The World Trade Organization (WTO) finally opened its door to China on November 10, ______ our Chinese 15-year wait.
| A．to end | B．ended | C．ending | D．ends |
I wonder ______ you were doing last night.
| A．it was what that | B．what was it that |
| C．that what it was | D．what it was that |
— You must obey every word of mine!
— _____ I don’t?
| A．How if | B．What if | C．Such as | D．Only if |
I read about this story in some book or other. Does it matter ________it was?
| A．where | B．what | C．how | D．which |
_________you don’t like him is none of my business.
| A．What | B．Who | C．That | D．Whether |