—Hi, Mary! Do you know where Jim is?— I think he ________ a lecture in the library.
I ________ sooner but I didn't know that they were waiting for me.
According to the rules and regulations, all payments ________ be made in cash in the shopping center.
Look! There are so many mistakes in your composition. You ________ have fixed full attention on it.
________ we go to the McDonald's? I'm sick of the food there.
With all his money, he ________ worry about a little thing like 5 cents!