| 1 | Direct inquiry is more effective than implication | |
| 2 | He impatiently made a call to inquire about the progress. | |
| 3 | Thank you for writing to me. I'm pleased to receive your inquiry. | |
| 4 | I asked her multiple times, but she still refused to disclose any information. | |
| 5 | He sent an email asking, but I haven't replied to him yet. |
