Try to spend your time just on the things you find ______.
A. worth doing them B. worth being done
C. worthy of doing them D. worthy of being done
It was foolish of him to ______ his notes during that important test, and as a result, he got punished.
A. stick to B. refer to C. keep to D. point to
I regret _____ that I am unable to help you.
A. saying B. say C. to say D. said
we were ______ at the news of her sudden death.
A. astonishing B. to astonish C. astonished D. astonish
his play, , is very wonderful: there are many interesting characters in it.
A. out of the question B. on the whole
C. in doubt D. under no condition
Quantities of water ________for cooling in the only one of the factories that ________steel.
A．has been needed；produces B．have been needed；produce
C．is needed；produce D．are needed；produces
