The sleeping baby would be scared ________ a sudden loud noise.
| A．was there | B．there was |
| C．should there be | D．there should be |
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 |
We are thinking about ________ can be admitted into our club. The number of members is limited.
| A．who | B．what |
| C．which | D．whether |