Dear boys and girls, please read every sentence carefully. ___ you are, ____ mistakes you’ll make.
We are _____to see so many interesting books in the library. Now we have _____ to read.
—What do you usually use your computer ________?—I usually use it to search for information.
—Must I leave for the meeting now?—No, you ________. There’s much time before the meeting.
Mr. Smith was ________ UNICEF officer. He came to the village and changed the poor girl’s life.
—Would you like to go shopping with me?— , but I’m too busy now.