Cars do cause us some health problems, in fact, far more serious ________ than mobile phones do.
A．one B．ones C．it D．those
After ________, the litter girl was depressed and kept silent all the day.
A．being made fun B．making fun of
C．making fun D．being made fun of
The scientist corresponds with colleagues in order to learn about matters ________ to her own research.
A．relevant B．instant C．resistant D．important
Chinese folk music gave ________ life to Mr Liu and made him lead ________ new life in his later years.
A．the; a B．the; the C．a; the D．/; a
A broad smile spread_____ Jack’s face when he eventually gained a scholarship.
A．across B．through C．at D．in
China’s Beidou global satellite navigation system will have been completed by 2020, ____ of more than 30 satellites.
A．consisting B．consisted C．to consist D．consists
