he successful launch of Tiangong-l, which was_____ breakthrough in space field,China’s space dream took a step closer to_____ reality

Would you like __________ drinks—Yes, please. I want some __________ .

In such a fierce competition, a person has to make every effort if he________[ ]

“Everybody is playing basketball outside. Can I join them, Dad ” “_____________, you must finish your homework first. ”

If I am not __________ when you phone, ask for someone else’s help.