1 . Dreams in our heart will come true one day         we insist and keep making great efforts.

A．as if

B．unless

C．even if

D．if

2 . _______ you form the habit of taking regular exercise and stick to it, you will be much healthier.

A．As long as

B．In case

C．As if

D．Even if

3 . There is the chance that you will miss the bus ________ you start earlier.

A．while

B．once

C．unless

D．if

4 . The environment won’t be getting better ______ the majority of us take steps to reduce waste and pollution.

A．though

B．since

C．if

D．unless

5 . —We’ll go camping this weekend.
—          you go in the wild, take a first aid kit with you. It could save your life.

A．However

B．Wherever

C．In case

D．Unless

6 . In my opinion, you are very likely to feel lonely in a strange city______ you make some new friends.

A．unless

B．if

C．since

D．when

7 .           you have finished your work, you can give yourself more time to watch Netflix or have a special dessert. You’ve earned it!

A．Before

B．Once

C．Although

D．Until

8 . You’ll feel a lot better about yourself________you work on solutions to your upsetting situations.

A．if

B．why

C．although

D．unless

9 . One can achieve his goal_______he sticks to his dream and doesn’t give up halfway.

A．as if

B．even though

C．ever since

D．as long as

10 . Changing your habits can be hard and developing new habits takes time, but ________ you stay motivated, you will meet your goal.

A．in case

B．so long as

C．as far as

D．even if