---It’s difficult for the villagers to cross the river. ---I think a bridge______ over the river.
There ________ a potato and two tomatoes on the table.
Eric has got two aunts,________ he hasn’t got any uncles.
My father works in a ________.His students like him very much.
Mary is from England,but ________ friend Jim isn’t English.
一Is this ________ Chinese book? —No,it’s ________ English book.