By 16:30，__________ was almost closing time, nearly all the paintings had been sold.
| A．which | B．when |
| C．what | D．that |
The work is so difficult to deal with that I think a man of genius could accomplish the task.
| A．nothing | B．all | C．anything but | D．none but |
To our surprise, Tom and John, neither of whom regular training, very excellent.
| A．have gone through; is | B．has gone through; are |
| C．have gone through; are | D．has gone through; is |
__________ there is no law stating how you may dress, not all fashions are respectable.
| A．Because | B．Since | C．While | D．Unless |
Most of the inhabitants (居民) can’t afford to buy houses of their own, because the price is rising ________.
| A．all the way | B．at last |
| C．at the same time | D．in total |
—It’ll take me about two hours to do the work!
—Oh, ! I could do it in half an hour.
| A．come on | B．no way |
| C．no problem | D．don’t mention it |