.
It’s already 10’clock. I wonder how it______that she was two hours late on such a short trip.
| A．came over | B．came out | C．came about | D．came up |
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 |
“What do you think of them?” “I don’t know _____ is better, so I’ve taken _____ of them.”
A. what, both B. what, none
C. which, both C. which, none