This group of people felt tired after ________ hiking in the mountain.
---Why not go out and see the film today, Millie? --- _________, but I will help Li Hong with lessons, she is new.
It is said that robots can do many things ___ humans can’t do ______the control of computers.
--- I wonder _____________without water. ---About a week.
The young man came riding full speed down the road on his bicycle._________ it was!
---He's already back to Australia,__________? ---____________. He is on a visit to Shanghai.