---I have ______ to apologize for the slight damage to your recorder.
--- Never mind.
| A．after all | B．in the first place | C．at first | D．as usual |
He won’t wear a hat _____.
| A．however cold it is | B．how cold it is |
| C．however it is cold | D．however cold is it |
It was not until mid-night _____ he went back home after the experiment.
| A．when | B．/ | C．that | D．before |
I don’t know why she suggested that we _____ the work before dark.
| A．finishing | B．finish | C．would finish | D．to finish |
— _____ for the glass!
—It’s OK. I’m wearing shoes.
| A．Look out | B．Walk out | C．Go out | D．Set out |
The bell rang and came in Mr. Brown, _____ a book in his hand. Then the class began.
| A．for | B．when | C．with | D．while |