Final answer:
The blanks are filled using PRESENT PERFECT and PRESENT PERFECT CONTINUOUS tenses according to the context of each sentence, indicating either recently finished actions or ongoing actions.
Step-by-step explanation:
To fill in the blanks using PRESENT PERFECT TENSE or PRESENT PERFECT CONTINUOUS tense, we apply specific grammar rules that determine if an action has recently finished or is still ongoing. Here are the appropriate verb forms for the sentences provided:
- I have been trying to study for the last hour, but something always seems to interrupt me. I think I'd better go to the library.
- The children have been playing basketball for almost two hours. They must be getting tired.
- The telephone has rung four times in the last hour, and each time it has been for my roommate.
- The telephone has been ringing for almost a minute. Why doesn't someone answer it?
- It has been raining all day. I wonder when it will stop.
- We have had three accidents so far this week. I wonder how many more we will have if you keep using the tools carelessly.
- We have lived here since last June.
- My little son is dirty from head to foot because he has been playing in the mud.
- What's the matter? Your eyes are red and puffy. I hope you have not been crying. Oh, now I understand. You have been peeling some onions.