is good for you, ____ you controlit properly, according to new psychology research

We all had fun ________ in the supermarket ________ a sunny morning.

There are so many kinds of pens in the shop ,I can’tdecide ______.

I telephoned him twice and I couldn’t get through to him— I think that the line might have been out oforder, ____ ? [ ]

Shanghai and Nanjing are among the most importantcities in China __________ their size and population.