It is not immediately clear __________ the housing price will go down.
| A．how | B．what | C．that | D．whether |
The book tells stories of the earthquake through the eyes of those _______ lives were affected.
| A．whose | B．that | C．who | D．which |
No sooner ______ at the airport than she was surrounded by many reporters.
| A．has the star arrived | B．the star has arrived |
| C．the star had arrived | D．had the star arrived |
Carl is studying ________ food science at college and hopes to open up ________meat
processing factory of his own one day.
/；aB. /；the C. the；aD. the；the
Bears ______ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
| A．bring up | B．pack up | C．take up | D．build up |
Days later, my brother called to say he was all right, but ________ say where he was.
| A．mustn’t | B．shouldn’t | C．wouldn’t | D．mightn’t |