As is known to us all, under no circumstances______ temporary economic development at the expense of the environment and resources.
A. should we seek B. we should seek
C. we had sought D. had we sought
We don’t care if a hunting dog smells _____, but we really don’t want him to smell ____.
A. well, well B. bad, bad C. well, badly D. badly, bad
The present question is ____ many students consider it impossible ____ is really possible if effort is made.
A. what; that B. that ; that C. that; what D. what; what
Some very common things such as to the sun for a long time will do harm to people's skin and even cause skin cancer
A．exposing B．being exposed C．having exposed D．exposed
you may have , you should gather your courage to face the challenge .
A. However serious a problem B. Whatever serious a problem
C. However a serious problem D. No matter how a serious problem
Looking back on the three - year life in the mountain village, Thomas it as a milestone in his personal development
A．values B．confirms C．declares D．assumes
