This week's 毎週日本語 / まいしゅう にほんご is:
One of the last topics we covered last year in Japanese classes was the て form of verbs and its usages. One specific use was when making a request of some one. The following is the て form of しめる.
ドア を 閉めて ください。
ドア を しめて ください。
doa o shimete kudasai.
Please shut the door.