Answer:
1) Last week, for his birthday, my sister got him a dog.
2) Marceau and Yanis visited the cinema on Monday of last week.
3) Brunella was hiding behind the door while we searched for her.
4) Annelore's umbrella broke yesterday.
5) They mentioned being tired and headed upstairs to sleep.
6) Johanne misplaced her keys on the sidewalk.
7) Cécile took a ride on a horse when she attended the circus.
8) Years ago, the Scottish people constructed their detached house close to the beach.
9) During her vacation, Jean observed numerous boats on the sea.
10) I first read Romeo and Juliet at the age of 10.
11) The boys were engaged in games when it began to rain.
12) While I was studying for my exam, you were watching television.
13) While I was preparing dinner, the phone started ringing.
14) How long have you been involved in social activism?
15) We had known each other for a significant period.
16) History has taught us nothing from all the wars.
17) I studied thoroughly for the exam.
18) I studied thoroughly for the exam, but still did not pass.
19) An intriguing question was posed by the teacher in class yesterday.
20) I searched around, yet I couldn't see anyone.
21) She aimed a glass at me but didn't hit.
22) You will miss the train if you don’t hurry.