The math exercise is too difficult .Would you mind____ I ___

The math exercise is too difficult .Would you mind____ I ___ The Math problem is too difficult , we really don’t know ___ That math exercise is too difficult for me to work out.谁可以解释 The maths problem is too difficult.math为什么加s Do you think the math problem is difficult?---Yes.I can ____ this math problem is ___ difficult.___ students can't work i this math question is too difficult.can you help me _____? The math problem is so difficult that he can't___ ___ ___.他算 Math is the ___（difficult)subject the weather is getting col 为什么The exercise is too difficult for anyone of us to do it?错 the exercise is too difficult for ann to work out(保持原意） what do you think of the math problen?It,s too difficult.It'