You can solve the problem by using this method.

I am majoring in developmental biology at university.

When that character suddenly appeared, the story instantly became exciting.

He couldn't accept his reality.

He paid for the meal at the restaurant on credit.

I broke up with him as of yesterday.

I went to see a movie with my friend.

He attached his phone number to his business card.

Large drops of rain are hitting the window.

I put the book on the table.