I think these traditional customs should be ______.
A. stayed
B. remained
C. reserved
D. preserved
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The singer and dancer are to attend our evening.
1()
A. little money
B. much money
C. little time
D. much time
The newest satellite can ______ a thousand telephone conversations and a color TV program at the same time.
A. carry
B. extend
C. bring
D. take
He looks as if he ______ nothing about the news.
A. would know
B. would have known
C. knew
D. should know