73. --- You just think of yourself! You kept me waiting for at least three hours.
--- I’m sorry that you _____ think so.
| A．will | B．would | C．should | D．Could |
Tom took a taxi to the airport, only ________ his plane high up in the sky.
| A．finding | B．being found | C．to find | D．to have found |
Before driving into the city, you are required to get your car ________.
| A．washed | B．wash | C．washing | D．to wash |
I looked up and noticed a snake ________ its way up the tree to catch its breakfast.
| A．to wind | B．winding | C．wind | D．wound |
When ________ for his views about his teaching job, Philip said he found it very interesting and rewarding.
| A．asking | B．having asked | C．asked | D．to be asked |
As many as five courses are provided, and you are free to choose ________ suits you best.
| A．whichever | B．whatever | C．whenever | D．wherever |