_____ surprised me most was to see so many people waiting for my arrival.
| A．That | B．It | C．Which | D．What |
At the railway station, the mother waved goodbye to her daughter until the train was _______.
| A．out f sight | B．out f reach | C．out f order | D．out f place |
He _____ football regularly for many years when he was young.
| A．was playing | B．played | C．has played | D．had played |
Her shoesher dress; they look very well together.
| A． | suit | B． | fit | C． | compare | D． | match |
The last time we had great fun was _____ we were visiting the Water Park.
| A．where | B．how | C．when | D．why |
Most air pollution is caused by the burning oflike coal, gas and oil.
| A． | fuels | B． | articles | C． | goods | D． | products |