A. 1) There was a long sentence at the ... of the text. 2) Jane stood absolutely ... and didn't know what to answer. 3) Richard's was a boring and an ... speech. 4) There are a…

Certainly! Here are the sentences completed using the words provided:

A.

1. There was a long sentence at the beginning of the text.
2. Jane stood absolutely speechless and didn't know what to answer.
3. Richard's was a boring and an uninteresting speech.
4. There are a lot of borrowings from French in the English language.
5. Last month there was a very unusual happening in the town where I live.
6. How many people were there at the meeting?
7. In the 21st century, you can see a lot of cloud people in big cities.
8. The sun was shining brightly in the cloudless sky.
9. Theirs was a sandy family.
10. I'm useless at cooking. Don't ask me to help.

B.

1. Jane's grandparents are children.
2. The Mississippi is a powerful river in the USA.
3. That was a very difficult meeting.
4. His was an uninteresting speech. So I didn't listen to it.
5. It was a sandy part of the land. There was only grass and wild flowers there.
6. Speak loudly, please. I can't hear you.
7. California is famous for its sandy beaches.
8. He knows some African languages.
9. They decided not to go to the meeting.
10. I can't understand the meaning of this word.

Please let me know if you need further assistance!