Bruce,how many students are there in your school?—Mmm, about.

The second Sunday of May is _______ Mother’s Day, it’s _______ special day for children to show their love to their dear mums.

The English teacher isn’t here. She ________ to the office.

I found that the homework was ______ I used to get in my old school.

英语老师指着“Ff”问道：What’s this? 你应答：_______.