Not until the 11th century, when a young lady brought a fork to Italy, _____.
| A．and the custom reached Europe |
| B．the custom reached Europe |
| C．did the custom reach Europe |
| D．had the custom reached Europe |
We'll go and see the patient ___we are busy.
| A．even if | B．for | C．if | D．while |
___ he has finished writing the novel is unknown.
| A．If | B．Whether | C．When | D．While |
___ it was already dark, they went on working in the fields.
| A．If | B．Whether | C．But | D．Though |
You will find friendly people ___ you go in China.
| A．where | B．and | C．wherever | D．so |
He lay ___ the grass was the thickest.
| A．where | B．when | C．that | D．after |