Those three problems are all__,but this one is__.(difficult)
Those three problems are all__,but this one is__.(difficult)
________(this) grapes are sweet. Those _______(one) are sour
This question is difficult ,but that one is more difficult 翻
Those math problems were so difficult that___students worked
There are still many problems ahead of us,but by this time n
This book is as difficult as that one ,but more expensive th
there are three lights outside but one inside这个but改成while可以吗
Anderson is one of those ___ appear friendly but are hard to
This problem ___that one. A.are the same as B.is difficult f
改错Country,but sometimes there are problems
英语翻译句子是Difficult requests are those which are neverpremitted
改错Those have difficult in working out the maths problems can