_____ side of the street is lined with different shops, _____ of which sell electronic products.

Days in winter are shorter than ___ in summer.

  (2012·南宁高二检测) He didn’t make _______ clear when and where the meeting would be held.

--- Bob isn’t feeling very well. He has caught a cold.  ---Everybody seems to have ________ because of the sudden change of the weather.

The family quarrelled about ___ shares the whole night.