43It was not until 1936________basketballbecame a regular part of the Olympic Games44

It was ten years ago ______ that organization was_______.

t comes to job interview,you really don’t know ______ you performed until you get the good-news call

vernment has taken some measures tosolve the shortage of electricity , but it may be some time _________thesituation improves.

Hi，Joan.Any idea where Tom is?—He ________ on the playground.I saw him there playing football just now.