Most of us see a doctor ______ when we geta cold or somethingThis won’t cost us a lot

Do you have any trouble in English—Yes, _______ complete conversations.

Withoutproperlessons,youcould________alotofbadhabitswhenplayingthepiano.

______we can’t get seems better than _______we have

Did they clean the house yesterday—_______. They cleaned it at five.