—What’s the price of petrol these days?—It ________ frequently since last year.

—I counted sheep, I drank milk and I tried everything, but nothing helped. —It seems you _____ too much recently. Try some sleeping pills.

 The number of foreign students attending Chinese universities   rising steadily since1990.

------I’ve been told that John ________  from his journey to India.What about visiting him tonight?------- Great. I’ll call for you at 6:30pm.

The novels written by Mo Yan sell best now, but years ago no one could have imagined he _____ the Nobel Prize for Literature.