To see a young couple loving each other is ;but to see an old couple loving each other is the best sight of all.
What worried the mother most was __________ the Internet after class in this school.
------- Jack, you erase the blackboard today, __________? ------- But I did it yesterday.
To me, cycling at ___ altitude of more than 4,000 meters was _____ unforgettable experience.
The coach’s great _____ is to make all the players into a united team and win the final success.
–Jack, you seem in high spirits. – ________ We won the match 4:0.