Answer:
3. The students have not entered the gymnasium yet.
4. I have just found a new idea for my composition.
5. Meg has already finished her breakfast.
6. Our teacher has just come into the classroom.
Explanation:
According to the two examples, we should use the present perfect tense to form sentences with the words given.
The present perfect tense is used to describe actions that began in the past and continue in the present, actions that happened in the recent past, or simply past actions whose specific time is not explicit in the sentence. The structure is:
subject + have / has + main verb in the past participle
Examples:
- I have watched this movie before.
- Dana has called her sister.
- They have been to England twice.
It identifies the focus and method of the research project.
AND
it provides important scientific and medical data to the public.
A participle has the following form: verb + -ing, and the only word in this sentence that takes that form is A, 'flying', which is the correct answer.
