I want to leave here,never come

英语语法(Tenses)
1.I_________(never come) across such a big snake in my life.What about you?
2.By next Saturday,I_________(work)on this painting for exactly one week.
3.My wife and I_______(have)a few problems recently and I have to admit that our relationship.
4.My uncle_________(go) to see us next week.He_______(not visit) us for two years.
5.We_________(look)for her ring for two hours when we finally found it in the bathroom.
6.They were very tired in the evening because they_______(help)in the farm for the whole day.
7.Do yu know what time the plane______(arrive)in Chicago?
8.Call me at around five because I________(return)from the gym by then
9.We________(organize)a barbecue for Ben on his bithday next Saturday,but he_______(know)yet.
10.If Mike______(not/act)irresponsibly on several occasions previously,he_______
(promote)to head of the department this year,but he seems to have little chance.
11.---Why didn't you go to see the movie?----Because I________(see)it twice
12.I used to drink a lot of fruit juice but these days I________(prefer)mineral water.
13.---Do you know this city at all?---No,this is the first time I_______(be)here.