— It’s dangerous to walk across the street carelessly.— You’re right. We can’t be careful while crossing the street.
There __________ great changes in the smart mobile phones in the last few years.
---I wonder whether Chinese team ________the table tennis match. ---I will wake you up as soon as the match _________.
It’s not polite to read through _________ letters.
---Some students think maths is __________ than Chinese. ---I agree. I’m poor in Chinese.
______ Lily ______ Lucy likes listening to Beijing opera while their parents do.