—Excuse me, would you lower your voice or use your mobile phone outside?
—Oh, sorry.I_______
A. didn’t realize
B.don’t realize
C. haven’t realized
D. hadn’t realize
In addition to his traditional medical treatment, he tried to put himself in situations______ would bring about positive emotions.
A.which
B.where
C.why
D. as
Eating properly and exercising _______ make one enjoy a longer and healthier life.
A. normally
B. generally
C. regularly
D. directly
— _______ you got to know my telephone number?
— Through a friend of yours.
A. How was it
B. How was it that
C. Was it how that
D. How did
It is almost five years_________we saw each other last time.
A. before
B. since
C. after
D. when
—Do I need to give a tip if I eat at a fast food restaurant in the United States?
—Yes, it’s a common ______ to tip waiter in a restaurant.
A.sense
B.custom
C. method
D. practice
