---You don’t seem to be quite yourself today, do you? ---I’m suffering from a cold. Nothing serious, ____.

-- You seem to be burning yourself out with so much work!-- ______. I'm dying for a thorough rest and a good workout.

Two middle-aged passengers fell into the sea. _______, neither of them could swim.

Although the painting is very ____ pleasant, it is thought to be copied with a modern printing machine．

The singer hasn’t performed in public for over 5 years. ___, she is very popular with young people.