It is beyond my understanding that many adults ________ be so crazy about Harry Potter series.
| A．will | B．can |
| C．may | D．should |
Beneath our feet_____ that our lives depend on for food and clothing.
| A．lies the earth | B．lay the earth | C．the earth lies | D．does the earth lie |
The factory produces half a million pairs of shoes every day, 85% ____ sold abroad.
| A．of them are | B．of them is | C．of which is | D．of which are |
Shackleton kept his promise ____he would return to Elephant Island ____the crew had been left.
| A．which; that | B．that; which | C．what; where | D．that; where |
I like taking risks, too. I suppose it ______ in the family.
| A．jumps | B．walks | C．runs | D．keeps |
Mike spent time with ____native people to gain ____ better understanding of the country.
| A．the; a | B．the; / | C．a; the | D．/; a |