The visitors saw rows of houses the roofs _______are red.
| A．where | B．that | C．what | D．of which |
His parents,__ ，did not look after him very well: the elbows of his jacket and his boots were
badly worn.
| A．generally | B．gradually | C．actively | D．apparently |
——Do___________ you have the Harry Potter books by J. K. Rowling in your shop? —Sorry, there isleft at the moment.
| A．nothing | B．none | C．no one | D．not one |
He made it clear that only the point that new technologies hold the key to increasing productivity the economy in the long run.
| A．will it benefit | B．it will benefit | C．will benefit | D．will benefit it |
Japan's refusal to release Chinese fishing boat captain had caused serious damage to
Sino-Japanese bilateral contacts (双边交往).
| A．a;不填 | B．a; a | C．the;不填 | D．the; the |
To our surprise, not a single word _______ in the discussion last Thursday.
| A．had the teacher said | B．said the teacher |
| C．the teacher had said | D．did the teacher say |