You ______ to the meeting this afternoon if you have something important to do.

--- Alice looks sad. Did you tell her about her brother’s accident?--- Sorry, I ________ her just before her final exams.

As students, we ________ study hard to make our country more beautiful and stronger.

It was so dark outside that the little child ________ go out by himself. 

— I didn’t care about what other people thought about me.— Well, you ________.