Professor James will give us a lecture on the Western culture, but when and where _______ yet.
The orange looks dry,but you may be able to ________ a few drops.
The man who looked honest ________ to be a thief.
The teacher suggested we ________ as many books as we can.
—It’s a long time ________ I saw you last.—Yes,and what a pity it is now that it will be a long time ________ we see each other again.
The ________ look on her face suggested that she ________ it before.