A teacher’s ________ to education is worth great respect of the whole society because it brings benefits to the development of society.
| A．guidance | B．principle | C．identity | D．devotion |
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 |
Jack wasn't allowed to go into the sports club ______ he left his membership card at home.
| A．though | B．as | C．before | D．Until |