—You ran into Mr. Li ! How did that happen?—Well, ___of us was looking where we were going. We came around the corner at the same time.
The young man was often seen ____ by the lake.
____ English is much easier than speaking it.
Some students from Grade 9 ____ do some ____ for the old.
Would you mind ____ because there’re so many children ____ here?
They are looking forward to ____ all over the world.