---This pair of shoes ____ belong to Jack. He likes this kind very much.--- It ____ be his. It’s too large for him.
–Whose volleyball is this?–It _______ belong to Carol. She loves volleyball.
–What time were you supposed _______?–At six o’clock. But I arrived at six thirty.
–What did you find in the zoo?–The animals _______ in tiny cages and they could hardly move at all.
My parents often tell me _______ too much junk food. It’s bad for my health.
–Have you ever _______ to Singapore?–No, never.