Life is like a long race ______ we compete with others to go beyond ourselves.
A. why B. what
C. that D. where
I have reached a point in my life ______ I am supposed to make decisions of my own.
A. which B. where
C. how D. why
Gun control is a subject ______ Americans have argued for a long time.
A. of which B. with which
C. about which D. into which
Whenever I met her, ______ was fairly often, she greeted me with a sweet smile.
A. who B. which
C. when D. that
It's helpful to put children in a situation ______ they can see themselves differently.
A. that B. when
C. which D. where
Mark drives his car too fast and, what's more, very carelessly, ________ worries his mother.
A．a B．what
C．it D．which
