Some people don't know the importance of their health
________ they have lost it．
A．after B．when C．until D．as
It _____ the workers about three months to build the bridge．
A．cost B．spent C．took D．paid
Our parents always tell us_______ in the street after school.
A. don't play B. not play
C. not to play D. not playing
He likes playing tricks on others, but_______, he is a good boy.
A. in this way B. in some ways
C. in that way D. in a word
I met Lucy last year and we have been close friends_____.
A. as usual B. again and again
C. at the time D. since then
They got married_______ 1960. That means they have been married _______ 1960.
A. at; since B. on; in C. in; since D. for; since
