Would you please drive faster ? My flight is _______.A. flying to B.taking out C,turning off D.taking off
You shouldn’t keep a pet _______________ you have enough time to care for it.
___________ the young girl ___________ her parents take regular exercise in order to keep fit.
Generally speaking, a computer works _______________ a human brain.
Nowadays, children under 1.4 meters _______________ be free to take buses in some cities.
There are a lot of trees on _______________ sides of Century Avenue in Pudong.