---What is Mr Zhang doing?---He is writing some English words ______ the blackboard ______ chalk.
----I’m in Class 2. Are you in Class 2 ? ---- Yes. ________classmates.
How many ______ are there in your classroom? --- There are ten boys and thirteen girls.
下列选项中字母大小写形式相同的是_________.
There ___ a book and three boxes on the teacher’s desk.
I have no brothers _____ sisters.