An increased concentration of carbon dioxide and certain other gases in the Earth’s atmosphere ______ global warming.
Fruits are sold by ______ kilogram in the market, and it will be cheaper to purchase them in ______ quantity.
—The trip shouldn’t take more than an hour. —_______.It is at least two hours.
He made a promise _____ he would treat me to dinner if I helped him with his housework,______ made me very excited.
St. Petersburg was renamed Leningrad _______ Lenin after his death.
------ The floor is awful wet. What have happened?------ No sooner ________ into the shower than the phone rang..