【題目】Eighty percent of the students in this school ________ three to five times a week.

【題目】That ________ be an alien—there’s no such thing!

【題目】Miss Li likes swimming very much and now she ________ on Saturday afternoon.

【題目】If you take a vacation this summer, so ________ I.

【題目】—________ have you prepared for the competition?

【題目】Sally’s home is far from Fun Times Park, so she ________ walks there.

【題目】His mother took him to visit the Great Wall on his ________ birthday.

【題目】They ________ on the sofa when the telephone ________.

【題目】________ song the little girl sings!

【題目】I think you’ll miss the train ________ you hurry up.