The old people and the children must ____________ in our country.

Andrew was afraid to fill the room with water again, so he __________ the pipe carefully.

es of ancient Chinese coins are ________ in anexhibition held in Nanjing, where a variety of ancient currencies wereunveiled.

o you think of the project putforward by the Blacks— Considering its real _______, it willbe well worth putting into practice, I suppose

28The firm invested approximately 60 million dollars in________it says is the world’s largest bottle-bottle recycling plant