I find ______ difficult to finish the work all by myself.A. it B. that C. this
As soon as they arrived in the big city, they found it difficult to find somewhere cheap .
There great changes in our city in the past 10 years.
— Because of the _____ petrol(汽油) price, fewer and fewer people will choose to own a car, I think. — I have the same idea as you.
— David, your mother’s birthday is _____. Let’s think about how to celebrate it. —OK, Dad.
Only two of the students worked the maths problem out correctly. ______ all did it wrong.