He has worked the maths problem for nearly an hour but he simply can’t work it .
On ;at B. on ;out C. at ;up D. for ;out
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 |
“Would you like a cup of coffeeora glass of beer?” “____ will do, but milk is _____ popular with me.”
| A．Neither, not | B．Both, more |
| C．Either, the most | D．All, the most |