.Some of his suggestions had been rejected _________ they were quite impracticable.
| A．as | B．when | C．until | D．if |
First editions of certain popular books cannot be obtained_____.
| A．at any place | B．at any price | C．in any language | D．in any country |
The State Council will lay down new rules that aim to make management compatible with internationally accepted _____.
| A．conferences | B．conversations |
| C．practices | D．formations |
______ about wild plants that they decided to make a trip to Madagascar for further research.
| A．So curious the couple was |
| B．So curious were the couple |
| C．How curious the couple were |
| D．The couple was such curious |
The little boy still needs the ______ 20 dollars to do with some things ______.
| A．remaining; remained to be settled |
| B．remaining; remaining to be settled |
| C．remained; remained to settle |
| D．remained; remaining to settle |
I don’t like the way ＿＿＿＿＿ you talk to your mother.
| A．／ | B．in that | C．which | D．of which |