---May I have ______ piece of bread with butter? I’m not full.---Certainly. Here you are.
What do you usually do in your spare time? --I enjoy reading in the library I lose myself in a world of good books.
____you study,____ grades you will get.
You should develop healthy eating habits _______ it is too late.
Carmen prefers the music that _______ great lyrics.
—Mom, I _________ as the president of Students Union in my school . —Congratulations ! I’m so proud of you .