Thanks to Li Ziqi’s efforts, many Chinese cultural heritages that ________ in written records now appear before our eyes.
A.were existing B.had existed C.would have existed D.existed
The sales of houses in our city fell by 40 percent last month, and it will be 48 percent ______ we don’t count low-price houses provided for poor residents.
A.as B.unless C.if D.before
Whenever I feel lonely or upset, I always do some reading, which ______ me well.
A.serves B.equips C.prepares D.informs
—It’s really great to have a computer to store my photos.
—Don’t count on it too much. It ______ break down and you’d better make a copy of them.
A.must B.can C.should D.need
The middle and high school period is a special one for children, a transition from children to adult, ______ children tend to be rebellious (反抗的).
A.when B.where C.that D.of which
—Have you finished that long article written by the famous scientist?
—No, I used up my ______. It’s too long and I only stopped halfway.
A.determination B.devotion C.patience D.strength
