You can eat free in my restaurant _____ you like.
| A．whichever | B．wherever | C．however | D．whenever |
Thank you very much. Without your help, I _______the exams.
| A．could not pass | B．could not have passed |
| C．did not pass | D．could not passed |
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 |