I really don’t know______Tom lost his wallet.A.when was it that B that it was whenC. where it was that D. it was where that
—It is said that he is focusing on another book on space exploration. When will it come out? —It is _______ next year.
He bought a house,___________ the price is reasonable.
In the reading room, we found her ________ at a desk, with her attention ________ on a book.
All those second-hand cars are sold atbefore
What _______ pity that you must leave now! It is such _______ great fun to have dinner with you.