How long have you _ Teresa — For three years by now. Our wedding anniversary is coming next week. .

Part of the family are out on holidayThey are supposed to be back ______ this week[ ]

The dish smells.It must be very delicious.

lculations, had they been done by hand,______all practical value by the time they were finished.

ThelocalgovernmentinShenzhenhasrecentlypassedanewregulationforbiddingsupermarketsandstoresto _____freeplasticbagstoshoppers, inabidtoprotecttheenvironment. [ ]