He tired his best to work out the problem and ( ) he finishe
He tired his best to work out the problem and ( ) he finishe
although he tired his best,he failed to work out the problem
he held out his first before the young man and tired to ange
He is busy to work out the difficult problem. 改错
He often o to help me work out the problem.
He found it difficult to work out the problem.
He can work out the problem a(
mark ____ work out this problem.so he goes to ask his teache
his ability to work out math problem is ----doubt because he
He can't work out the problem and needs your help 保持原句意思
he is the second () out the problem.A.working B.to work C.wo
连词成句:he,to,the,tired,best,help,poor,his