I don’t know with this problem.It’s too hard.
It took me about two hours to clean the house, My mother _____ what I did.
My cousin ____ the chance of working abroad and returned to his hometown.
– A number of students ________ in the dining hall.-- Let me count. The number of the students ________ about 400.
--- I won’t have time to go shopping with you this afternoon.--- But you ______ me yesterday.
Now the water in the river has ____ and we should ____ money to repair the broken bridge.