The _____ of electricity added to our difficulty repairing the bridge.
| A．absence | B．short |
| C．need | D．Break |
Her lecture was hard to follow because she kept jumping from one subject to _____.
| A．other | B．the other |
| C．the others | D．another |
These trousers are dirty and wet — I’ll change into my _____.
| A．another | B．trousers |
| C．others | D．other |
Some of the students were late for the meeting, but I can’t remember _____.
| A．what | B．when |
| C．which | D．whom |
“Who told you?” “Oh, somebodyorother, I’ve forgotten _____.”
| A．what | B．when |
| C．which | D．who |
I read about it in some bookorother, does it matter _____ it was?
| A．where | B．what |
| C．how | D．which |