The problem ________ this material can be used in our factory has been solved.A.that B.what C.whether D.why

He ________ (毫不费劲)working out the problem The problem is ________ my comprehension.beyond over up on The problem is ________(difficult)of the three 用适当形式 关于反义疑问句People should pay attetion to the environmrntal problem,________? He is clever enough to work out the problem ________(容易地) Lucy has no problem ________(finish)____ the task on time herself. 5.It’s _________ hard problem for the twins that ________ of them can work Please ________(pay special attention)your minds on the following problem.根据英文释义写出单词 It is _________(possible)for the little child _________(correct)the________(correct)maths problem ________(correct). The problem is ________ my comprehension.beyond over up on 选哪个,谢谢 8.rang :The problem is_________ ________ my range.their age range _________25_____________50. The math problem was so difficult that I couldn't work it out. (保持句意不变) The math problem was______ difficult for me ________ _________. what will you ________ about the problem at the meeting tomorrow?A.say B.talking C.tell D.speak Is this the way you thought of ________ the problem?A.to solve B.solving C.solve D.solved Can you think of the best way ________ this problem?A.solving B.solved C.to solve D.solve There’s a watch ________(lie) on the ground.It took me two hour (work)out this maths problem. 他正在努力计算这道数学题 He is ________ ________ the maths problem.空的应该填什么大哥们回答个吧 what is the problem