【单选题】
____ the math problem is difficult, Ill try very hard to work it out.
【多选题】
No matter how ______ the problem is , we will work it out.
【单选题】
Susan is not very intelligent, ________ work very hard.
【单选题】
I’m ill. I_______working very hard.
【单选题】
Theyre trying to ( ) this math problem.
【单选题】
I don’t think you can work out the maths problem ___ her help.
【单选题】
Success results ___________ hard work, and hard work results in success.
【单选题】
______, this book is not very difficult.
【单选题】
27. If it ____ tomorrow, we will not go out.
【判断题】
Maths are very difficult to learn.