In the dark street, there wasn’t a single person ____ she could turn for help.
| A．whom | B．who | C．to whom | D．form whom |
-Did you return Fred's call?
-I didn't need toI'll see him tomorrow.
| A． | though | B． | unless | C． | when | D． | because |
——Have you read book called Waiting for Anya?
—Who _______ it?
| A．writes | B．has written | C．wrote | D．had written |
John promised his doctor henot smoke, and he has smoked ever since.
| A． | might | B． | should | C． | could | D． | would. |
This novel is set in the famous city, Hong Kong, so once _______, it will be very popular.
| A．published | B．having published | C．publishing | D．to publish |
Mr. and Mrs. White _______ at 8: 30 for the wedding, but they don’t show up.
| A．should have arrived | B．must have arrived |
| C．can not have arrived | D．needn’t have arrived |