Your secret letter must ________ in a safe place.A. be kept B. kept C. is kept
Please give me _________.
Beijing is ______big city and it’s ________ capital of China .
This is a bridge _______ the river and there are many boats _______the river .
---Hello! Who’s that _______ ? ---This is Mary . I’d like to ______ to Andy about tomorrow’s trip.
---_______ they _______ have a meeting this weekend ? --- Yes , they are .