Millie is better than Jack ______drawing pictures, but she has some problems _______ English.
--My aunt ______________ Singapore for a holiday.---It’s a beautiful country. I ___________there twice.
Look! __________ high speed the roller coaster is __________.
What will the computer ______ in the future?
Father put the ladder(梯子)_________ the tree to pick the apples for me.
book named Harry Potter is good friend of mine.