Lily is ________ active girl and she is good at playing _________ guitar.
— Excuse me, Miss Li. Where will you take _____ trip? — I’ll travel to a famous island of _____ Pacific Ocean.
If you study hard , I’m sure you’ll get good ________.
Our physics teacher told us that light ________ faster than sound.
—What do you want to be when you________? —A doctor.
—Many tourists ________to the Great Wall every year.—Yes, that’s true.