Select the most appropriate option to fill in the blank.

Sunil cannot _____ a trip to the US now because he has already spent a lot for the completion of his house.

afford

The most appropriate option to fill in the blank is afford.

The sentence is about someone who does not have enough money to do something. The word "afford" means to have enough money to pay for something. It is the most appropriate option because it conveys the idea that Sunil does not have enough money to afford a trip to the US.

The other options are incorrect.

• Visit means to go to a place for a short time. It does not make sense to say that Sunil cannot visit the US because he does not have enough money.
• Spend means to use money to buy something. It does not make sense to say that Sunil cannot spend a trip to the US because he does not have enough money.
• Earn means to get money for work. It does not make sense to say that Sunil cannot earn a trip to the US because he does not have enough money.