As we all know, ____ man cannot live without ___ water.
| A．a, the | B．不填,不填 | C．the, a | D．the, 不填 |
We have already placed an order ____ that company _____ the machines.
| A．for; with | B．for ; for | C．with; for | D．to; with |
He is _____ an American as an apple pie.
| A．so | B．the same | C．as the | D．as |
We all look forward ____ your beautiful country.
| A．to visiting | B．to visit | C．to | D．visiting |
._______, I cannot accept your invitation. Hopefully, we’ll get together some time next year.
| A．To my regret | B．To regret | C．Regretted | D．For my regret |
You should not have said that to her. It hurt her.
--- I know. I regret ___________.
| A．to have done that | B．to do that | C．having done that | D．I have done that |