He looked as though he _________ a ghost（鬼）

ys food safety is a bigproblem and nobody can guarantee all foods are safe to us, but food produced inthe normal companies is _______ better

Let’s have a ________ at that second game.I’ll ________ for you.

en are taught to respecteveryone, race,sex or age.

after graduation — Of course _____ Which of the following isincorrect