Вопрос по английскому языку:

Choose the right words.
1.If you......hard,you'll fail your exam.
a)'ll work
b)don't work
c)couldn't work
2.IF WE GO HOME NOW,WE......see the beginning of to film on TV
A)'ll be able to
b) be able to
c)can be
3.I'll in my office if you......anything
a)will need
b)need
c)would need
4.We..... a video this evening if there are some good films in the shope
a)'ll get
b)get
c)won't get
5.You....there on time if you don't leave immediately
a)won't get
b)don't get
c)couldn't get