--Mary failed the exam again. ---Sorry to hear that. We should do something to _____.
— Li Ming, do you know _______ this year? —It’s on June 20th.
He ate a lot and did little exercise, so he _______ 10 pounds.
— This is your order, a sandwich and an apple pie. _______ — I’ll have it here.
I _______ with my parents when he rang me up yesterday afternoon.
What does the sign mean?