Adverb clauses of condition

I. Choose the correct answer.

1. ____ it rains tonight, we will not go to the movies.

a. Unless
b. If
c. Even if
d. Only if

1. I will be at my friend's house ____ you should need to call me.

a. if
b. only if
c. in case
d. unless

1. You have to apologize to your sister ____ you want to do it or not.

a. whether
b. unless
c. provided that
d. if

1. ____ your room is cleaned, you won't be punished.

a. Even if
b. Provided that
c. Unless
d. Whether

1. You can use your father's car ____ you drive carefully.

a. in case
b. unless
c. even if
d. as long as

1. You cannot study at this university ____ you have an F-1 Visa.

a. only if
b. unless
c. whether
d. if

1. I'll be studying upstairs ____ he calls.

a. in the event
b. but for
c. in the event of
d. in case of

1. ____ it rains continuously for three hours will the officials cancel the baseball game.

a. Unless
b. Provided that
c. Only if
d. If

1. You can watch TV ____ you finish your homework first.

a. on condition that
b. even if
c. unless
d. in case

1. ____ a tiger stands still, it is invisible in the jungle.

a. But for
b. Unless
c. So long as
d. Otherwise

1. ____ he earns a lot, he won't buy this house.

a. Only if
b. Even if
c. Whether
d. Unless

1. ____ the traffic, I would have been here an hour ago.

a. In the event of
b. In case of
c. But for
d. With

1. I can't do my homework ____ all this noise going on.

a. but for
b. without
c. whether
d. with

1. What should you do ____ a fire in your neighborhood?

a. in case of
b. if
c. in case
d. without

1. ____ air and water, all the living things on earth would die.

a. But for
b. Without
c. With
d. In case of