Rules are helpful to us, ______ we have to follow them.
A. so B. but C. or D. because
Tim is going to give his father a surprise ______ Father’s Day.
A. in B. at C. on D. by
Ladies and gentlemen, attention please! I have ______ important to tell you.
A. nothing B. something
C. everything D. anything
I like hiking in the forest because the air is pretty ______.
A. free B. dirty C. polluted D. fresh
— ______ do you usually share happiness with?
— My parents and my best friend.
A. Who B. Whose C. What D. How
Nancy took her temperature and found she had a ______.
A. cough B. toothache C. cold D. fever
