----I’m going to travel to America. Would you consider telling me about your experiences. ---- ____________. Let’s discuss over dinner.
I earn 10 dollars _____ hour as _____ supermarket cashier on Sundays.
As a result of destroying the forests, a large _____ of desert _____ covered the land.
David helps his mother with her housework every Saturday for about _____.
Professor Smith, along with his assistants, _____ on the project day and night to meet the deadline.
20.Tell John not to leave the house unless he_____________that the lights .