We’ve just heard a warning on the radio that a hurricane is___to come this evening
The time is drawing near_____food raised in space will directly benefit humans below.
.Play, often seen as______ activity for kids, is still important in____development of teenagers.
A big step____to strengthen China’s health care systems since we launched an effort in 2008.
.---Let me help you cross the street.--______! I’m not that old.
We went into a hall, on_____ walls hung a few pictures of some famous scientists.