The train was crowded and I had to get into a carriage _______ there were already seven other passengers.
| A．which | B．where | C．what | D．when |
Large quantities of time ______ for practising guided writings.
| A．was needed | B．are needed | C．needs | D．is needed |
A spokesman said, “______ it is rainy, Prince William and Kate will appear on the palace balcony at 1:25 pm for their longawaited kiss.”
| A．What | B．Whether | C．However | D．No matter how |
______ was most shocking about the tornadoes in America was that they threatened six states and killed more than 100 persons.
| A．That | B．Which | C．Why | D．What |
The disappearance of dinosaurs made _______ the evolution and dominance of mammals on the earth.
| A．it was possible | B．it possible | C．possible to be | D．possible |
I felt most angry about the way ______ I was treated when I was shopping.
| A．when | B．that | C．which | D．where |