_____most students, she was always well prepared and never came to class late.
| A．Like | B．As | C．For | D．To |
—Was it at 11 o'clock ________ your father came back last night?
—Yes, he is always coming back so late.
| A．that | B．while |
| C．when | D．until |
Scientists are still wondering ________ the Egyptians built the pyramids so long ago.
| A．how it is that | B．how is it that |
| C．it is how that | D．that how it is |
________ about the man wearing sunglasses during night that he was determined to follow him.
| A．So curious the detective was |
| B．So curious was the detective |
| C．How curious was the detective |
| D．How curious the detective was |
I am certain by no means ________ his word since he has promised an amount of money to the poor.
| A．he will break | B．will he break |
| C．broke | D．did he break |
It is comforting to see that ________， we are doing our part for the environment.
| A．as small may be we | B．as we may be small |
| C．small as may be we | D．small as we may be |