It’s so silly ________ people to buy and store so much salt. It’s necessary ________ them to learn more about salt.
---Hi, Tom. The milk shake ______ good. ---I’m glad you like it.
That dictionary ______me.
---Look. The man at the gate _____ be our headmaster. He is always standing there every morning. ---No. it ____ be him. He is having a meeting in the office now.
Let’s go to the museum. Many ancient things are __________ in it.
They can hardly move at all, _____________?