Thisisourbestprice,____whichwehaveconcludedmanyorderswithotherbuyersinyourcity.()
—Whydidn’tyoubuyanewcar?
—IwouldhaveboughtoneifI_______enoughmoney.
Somelinguiststhoughtthatalllanguages______andwereruledbyacommongrammar.
Astothevariouspollutions,whichofthefollowingisNOTtrue?
Whycouldn’tyou________ananswerwhenIaskedyouwhyyouwerelate?