It’s so surprising to hear from my school teacher again. ______, we last met more than twenty years ago.

Will you _____ the clock? It’s slow.[ ]

Movies used to be shown in the open air in that village, with audience ________ on stones, boxes oreven on the ground. [ ]

I went to see my friends off at the airport.—Is that_____you were late for the important meeting?

I try to understand ________ that prevents so many children from being happy, there seem to be three causes.