I ______ a flu when I was on a spring outing with my classmates.
You’d better book the tickets in advance;________ we may miss the chance to enjoy the concert performed by the pop star.A.however B.otherwise C therefore D.nevertheless
She was scared _______ when hearing the sound of explosion.
Most parents are not __________ the danger of their babies’ eating jelly, which causes most unfortunate incidents to happen.
Don’t turn the room __________, as I have just tidied it.A. inside B upside down C. outside D. inside down
Many people _____ the opening ceremony of 2010 World Expo, which was so amazing.