_____the world began, nations have had difficulty in keeping peace with their neighbors.
Ever since
举一反三
- 3. The United Nations _____ (be) an international organization to maintain world peace and security.
- It was reported that the UN had made ___ progress in keeping the peace in the region.
- 74（） A: have kept B: had kept C: have been keeping D: had been keeping
- Send us a message if you _____ any difficulty . A: have B: had C: will have D: have had
- I had some difficulty in carrying out the plan.（） A: making B: keeping C: implementing D: changing
内容
- 0
It was reported that the UN had made ___ progress in keeping the peace in the region. A: remarkable B: national C: original D: capable
- 1
The young couple had a large _______ on the house, and when Peter became unemployed they had difficulty keeping up the payments. A: debt B: mortage C: loan D: bill
- 2
The young couple had a large _______ on the house, and when Peter became unemployed they had difficulty keeping up the payments. A: debt B: mortage C: loan D: ill
- 3
The old man, together with his neighbors, _____the performance when it began to rain. The old man, together with his neighbors, _____the performance when it began to rain.
- 4
______ you ______ War and Peace before A: Had, read B: Have, read C: Are, reading D: Have, been reading