1 heard ____ the book long ago, but I have never read it.
—You seem to be familiar with New York. —I _______ there for three years. It’s great to be back.
—These grapes look really beautiful. —They _______! See the price $3.99 a pound. Very expensive, aren’t they!
It is typical of students to stay up ________ deep into the night for the final exam.
Lenovo has brought out a new laptop ________ low cost will make it attractive to students.
Tourism, _______ it brings in money to a country, can also result in damage to the World Heritage sites there.