Electricity, like other forms of ______, has greatly increased in price in recent years.
Don’t call me up at this time tomorrow, for I _______ an important test.
It’s the third time that Li Ming has been to Xi’an , _______?
. ---Li Ping often watches _______ English TV news in her spare time.---No wonder she has _______ command of English.
I saw a woman running toward me in the dark. Before I could recognize who she was, she had run back in the direction ______ she had come.
The other day he ______ a dollar bill in the suit he was sending to the cleaner’s.