I thought it ＿＿ very boring, but it wasn’t.

As ________ clear from his manners, he seems to be much of a scholar.

—Does your uncle still smoke?—He       given it up. It’s two years ever since he      .

 The woman sitting next to me ________ very nervous, for she had never travelled by air.

Large quantities of information，as well as some timely help ________since the organization was built.