1)Colin ... visit Astana in springA)are goingB) is going toC) is

1)Colin ... visit Astana in spring
A)are going
B) is going to
C) is going
2) His uncle ... his work yet.
A)hasn't finished
B)haven't finist
C) finished
3)... you ever ... to USA?
A) have/be
B) has/been
C) have been
4) Their cousin ... the windows every moth
A)clean
B) cleans
C)has cleaned