He knows so much about the story. He must have read the book, _______?
| A．mustn’t he | B．doesn’t he | C．hasn’t he | D．didn’t he |
Both the man and his horse ________ after the long ride.
| A．gave out | B．worn out | C．tired out | D．run out |
When you ______ the book please return it to the library on time.
| A．get through | B．get along | C．look through | D．look up |
The world is _______ seven continents and four oceans.
| A．made up of | B．made out of | C．made from | D．made in |
It is difficult for you to ______ what will happen in space without gravity.
| A．depend on | B．have some idea of | C．keep from | D．equip with |
Since we have met again after all these years, let's____ each other from now on.
| A．keep up with | B．keep out of | C．keep in touch with | D．keep touching |