This exam is very difficult. Many students are concerned         the results.

Mr. Smith likes traveling _______; but his wife enjoys _______. 

 — Thank God you’re safe!— I stepped back, just ____ to avoid the racing car.

Eating too much fat can ________ health problems，so we must have a balanced diet.

_We must read not only between the lines,but sometimes_______the lines so that we can fully understand the writer.