Ⅰ.用所给词的适当形式填空
1．We should __________ (analysis) the problem so that we can solve it.
2．The river forms the __________ (divide) between the old and new parts of the city.
3．My desk isn't always this __________ (mess)—I've been working on a major project these days and I haven't had time to clear up.
4．He got __________ (arrest) for murdering his neighbour.
5．The project was predicated on the __________ (assume) that the economy was expanding.
6．At night, the temperature would drop __________ (sharpen)．
答案：1.analyse 2.division 3.messy 4.arrested 5.assumption 6.sharply
Ⅱ.完成句子
1．Whenever we are in trouble, we must________ ________(向前看)and encourage ourselves.
2．This job is open to all，________ ________(不管)previous experience.
3．The history of this country can________ ________ ______/________ ________(追溯到)the Stone Age.
4．________ ________(要是……就好了)we could have a day off tomorrow.
5．________ ________(假定)the task is finished, where can we have a holiday?
答案：1.look ahead 2.regardless of 3.date back to/date from
4．If only 5.Assuming that
