— Can you tell me ___ it is from here to the history museum?— It’s about half an hour’s walk.
Her singing lessons her five hours a week.
He can’t state clearly how long he has ___________ the bicycle?
----How can I improve(提高) my listening skills? -----_______________more.
--My aunt ______________ Singapore for a holiday. ---It’s a beautiful country. I ___________there twice.
Look! __________ high speed the roller coaster is __________.