–Look! A man is cutting a tree on the moon.--It ______ be true. The teacher said there is no air on the moon.
----What bad weather! It’s raining again. -----Yeah. We have to ______our school trip.
---_________________ ---I have a headache.
—I’ll go on a picnic with my classmates tomorrow. — !
—Let’s ________ this weekend. —Good idea! Jay Zhou is my favorite singer.
Tom just finished ________ her homework.