Mary, let’s go to the bookshop this weekend. Will you be ______?—Sorry, but I’m going to visit my uncle in the countryside.[ ]

The old farmer______ farm we spent a happy weekend was spellbound by Chinese culture.

The advanced entire production process is paperless and much faster than that of ______ factories.

Mary helped me buy a ticket.She ______an hour ago.

She ____ well let out the secret,for she looked very upset when seeing me.[ ]