This knife (use) ... It can't cut anything

Give the correct word formation:
1.This knife(use)..........It can't cut anything
2.Every week, there are two(fly).........from Ha Noi to Nha Trang
3.Garham hates queuing.He is very(patient))...........
4.There office equipment needs to be(modern)............
5.There is no easy(solve)..........to the problem
6.They celebrate their(depend).............on 4th July
7.Have you seen the lasted(advertise)...........for Pepsi
8.I feel so(sleep)...........that I am going to bed
9.8 is(divide)...........by 2 and 4 but not by 3
10.The baby slept(peace)............
11.There are many(beauty)............parks in Hanoi
12.(forest).............is now a serious problem in Vietnam