Girls are afraid of math .They think they have some learning it .
My parents are strict me __________my studies.
---I didn’t pass the Maths exam last time. I’m so worried about it. --- harder, you will make much progress .
---I think it’s impossible for us to work out the plan in just two days. It’s too difficult.---You’re right. We can’t be _______ careful and hard while working on it.
______Jim ______his cousin has been to America,so________ of them knows the country well.
He offered me some , and I think it is worth .