The old couple have been married for 40 years and never once ___________ with each other.
A. they have quarreled B. have they quarreled
C. they had quarreled D. had they quarreled
Much to my _________, she still remembered my name!
A. surprised B. surprising
C. surprisingly D. surprise
We shouldn’t complain about being poor because many families are much _______ off.
A. badly B. bad
C. worse D. worsely
We should take measures to improve ___________ is called the quality of living.
A. that B. which
C. who D. what
The girl seldom, _________, turned to her brother for protection.
A. if so B. if not
C. if ever D. if possible
The air quality in the city, ________ is shown in the report, has improved over the past two months.
A. it B. that
C. which D. as
