When you talk with a stranger,be one thing:don't talk too much about yourself.
—Would you like to go for a picnic tomorrow? —Sorry, I have to _____ my homework.
—Why was Miss Lee angry this morning? —Because Tom didn’t _____ his homework.
We are made ________ more confident by our teacher.
He is an explorer ________ a sailor.
________ our surprise, he failed the math exam.