John, come over and enjoy my new car! It isn’t fashionable, isn’t it? —— Wonderful! If only I_______one, too.

Wind power is an ancient source of energy ____wemay return in the near future.

Every year, ______ people go to visit the factory.

I usually go to school by ________/ baIk / on weekdays.

I don’t know whether the computer was lost or stolen； , it’s gone