The passage mainly discusses ______.

(单选题)They will travel to Singapore next month ______ they have en (单选题)______ finishes eating lunch last ought to wash the dishes. (单选题)It’s not a problem ______ we can win the battle. It’s just a (单选题)We have good hopes ______ our mom will get recovery soon. (单选题)Was it from the lake ______ he often went fishing ______ he (单选题)There are many strict principles for students, ______ his ne (单选题)Many lessons are now available online, from ______ students (单选题)Is this picture ______ you mentioned in your last letter? (单选题)After completing and signing it, please return the form to u (单选题)The old man, ______ for twenty years, is on the way back to