Complete the sentence with the most appropriate word or phrase out of the given options.
If the courier boy delivers your packet _____ keep it with me till you come or ____ to your home.

should I, send it

The most appropriate word or phrase to complete the sentence is should I, send it.

The other options are not as accurate. Do I, send it suggests that the speaker is asking for permission to send the package. Will I, send it suggests that the speaker is making a prediction about whether or not they will send the package. Would I, send it suggests that the speaker is considering whether or not they would send the package. Should I, send it is the best option because it suggests that the speaker is asking for advice about whether or not they should send the package.