I admire my English teacher. I can remember very few occasions ________ she stopped working because of ill health.

.Being examined twice a year is the rulethat every driverobey in the city .

I was walking along the road _____ someone patted me on the shoulder from behind

The population of the world ____ still ____ now.

What were you saying just now—-_______. Let’s get down to the monthly contestnow.