I thought she was African, but ______ she’s Spanish.

There was such a long queue for coffee at the intervals that we __________ have to give up.

----You seem to be burning yourself out with the coming exam!—--________. I'm dying for a thorough rest and a good workout.

(2013·高考浙江卷)If what your friend comes up with surprises you，don’t reject it immediately._____ ___，imagine that it is true.

The poor boy couldn't work the problem out. He wasn't ____ clever.