--Let’s go to the park if it______tomorrow. --But nobody knows if it______tomorrow.
—Where is Joan? —She________ a novel in her study.
Our school has the parents’ meeting _____ the afternoon of October 10th, and it starts _______3p.m.
Most Chinese people like red because they think it can ________ them good luck.
---___________ do they visit their old friends? ---Once a year.
Andy ______ chats with his friends after class because he is busy doing his homework.