I can’t find my English book. I must ___ it at home this morning.

We don’t know ________ it next. Let’s go and ask Mr. Li.

Which of the two T-shirts do you prefer—_______ is OK. I don’t like their styles.

Every minute is made full _______ of _______ ourlessons well.

She bought the ring for ￥5000 three years ago, but now is it worth ____ the amount