英语练习速度回答
Hecanrideabiketoschoolnow.(改成同义句)He__________rideabiketoschoolnow.Tobecarefulwithelectricityisimportant.(改成同义句)It__________becarefulwitheletricity.Hisgrandfathercouldliftthehearylockinthepast.(对划线部分提问)__________hisgrandfather______inthepast?划线部分是liftthehearylock