Why is the classroom so dirty?—Sorry，sir. Ityesterday, We forgot to do it.

Nowadays of business letters are written in English.？

Could I have a look at your new bicycle?—-Sorry, I ________ it to Alice. She _______ to borrow it this morning.

Mrs. Brown isn’t here. She has to ______ her baby at home.

There ________ a small park near my home and I often go there .