你想和同学们一起打扫教室,你应该怎么说:A. Let me clean the classroom.B. Let’s clean the classroom.C. Let clean the classroom.
--- _______ is the Changjiang River? --- It’s more than six thousand kilometers long .
I’m going to _______ some books .
--- _______ is the moon ?--- It’s millions of years old.
This book is different ___ that book.
They _____ in a Chinese restaurant last Saturday.