—Look! The man at the gate ________ be our teacher. He is always standing there every morning.—No, it ________ be him. He is having a meeting in the office now.
All the students in my class ____ those heroes and decided to learn from them.
The car Mary bought ____ in France. She likes it very much.
If you don’t know the answer, don’t be afraid ____ so.
Alfred found _____ difficult to get a driving license.
The dish is not ________.let’s add more salt.