I was checking the oil stick. I saw that my car was a quart low.(long sentence)

Write a letter of invitation to ask professor attend a lecture.

Correct the errors in the following sentence.I could not find a space until I drove to the last parking lot. As a result, being late for class.

Lola missed her mid-semester exam in History 201. She had a flat tire while driving out home.(long sentence)

Emily Dickinson is one of my favorite poets.(periodic sentence)

The pipes had frozen and the heat had gone off. We phoned the plumber. He couldn't come for two days. He had been swamped with emergency calls.(compound-complex sentence)

Read the following paragraph and underline the topic sentences.Signs of SpringThe sky is clear blue. Sparrows chirp in the early mornings. The fruit trees in the backyard are beginning to bloom. The hills are turning green, and purple and yellow wildflowers are appearing in the fields. The snow on top of Camel Mountain has all melted. It must finally be spring.

The man lives behind us. The man moves his lawn at night.(long sentence）

Read the following paragraph and underline the topic sentences.There are eight persons in my dormitory, and we are all good friends. Since we live in the same dormitory for four years , we know each other better than other students. Although we come from different places and our personality is quite different , we are familiar with each other quickly. We often do something together, such as studying, playing, shopping and watching films. When we meet difficulties, we help each other. When we have something happy, we share it together. Of course , sometimes we have also quarreling and misunderstanding, but we quickly forget it and became good friends again. I believe this kind of friendship will never be forgotten.

Correct the errors in the following sentence.I always have and always shall practice diligently.