——Excuse me, _______?
——That’s $50 altogether, sir.
| A．how much should I give you |
| B．but can I take your order |
| C．could I have the bill, please |
| D．would you please take the money |
The children talked so loudly at dinner table I had to struggle _________.
| A．to be heard | B．to have heard | C．hearing | D．being heard |
A good story does not necessarily have to have a happy ending, but the reader must not be left ________.
| A．unsatisfied | B．unsatisfying | C．to be unsatisfying | D．being unsatisfied |
"Goodbye, then,"she said, without even ________ from her book.
| A．looking down | B．looking up | C．looking away | D．looking on |
The news reporters hurried to the airport, only _________ the film stars had left.
| A．to tell | B．to be told | C．telling | D．told |
The flu is believed _________ by viruses that like to reproduce in the cells inside the human nose and throat.
| A．causing | B．being caused | C．to be caused | D．be have caused |