单项选择题We write to each other ______ , even when there's not much to say.
A.now and then
B.by and by
C.step by step
D.more or less
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1.单项选择题I don't know the restaurant, but it's ______ to be quite a good one.
A.said
B.told
C.spoken
D.talked
2.单项选择题It is well known that Thomas Edison ______ the electric lamp.
A.invented
B.discovered
C.found
D.developed
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