I feel it an honor ______ to speak here.
| A．to ask | B．asking | C．to be asked | D．having asked |
Mary clapped her hand over her mouth _____ she realized her words hurt little Tom.
| A．ever since | B． as if |
| C．so that | D．as soon as |
_____ the trip from Alaska to Argentina by bike, Gregg and Brooks worked and saved money for years.
| A．To pay for | B．Paying for |
| C．Paid for | D．Pay for |
Please give Jim the schedule for tomorrow’s conference when he _____ back. He is to chair the conference.
| A．will come | B．is coming |
| C．comes | D．came |
—If you are free，I’ll invite you to see a film tomorrow.
—.It couldn’t be better.
| A．I’m sorry | B．Thank you |
| C．That’s right | D．Don’t mention it |
This ruler is too short. I need a one.
| A．long | B．longer |
| C．more long | D．more longer |