He __________ that until he __________ the directions once again.
| A．didn't understand ； had read |
| B．hadn't understood ； read |
| C．understood ；had read |
| D．understood ； read |
He usually goes to work by bike _______ it rains.
| A．except | B．except when |
| C．except for | D．except that |
She knew nothing about his journey _______ he was likely to be away for three months.
| A．Except | B．except for |
| C．except that | D．in addition |
“How did the robber get in?” “______ an open window on the first floor.”
| A．Past | B．From |
| C．Over | D．Through |
_______ reading the letter, what has he done?
| A．Because of | B．Except |
| C．Besides | D．But for |
They promise that the work would all be finished _____ next week.
| A．until | B．in |
| C．by | D．to |