There is no need to______ every new word in the dictionary when you are reading.( )
look up
look at
look after
look through
He said that he “Harry Potter” plenty of times and was still excited about it.
My parents are both sure that I successful in the future if I keep working hard.
—Would you like some butter with your bread? —________.
—I think chocolate is good for your health. —________.
The computer game is ________ and many children are ________ in it.