It is the idea____smiles can get rid of cold ____has been proved by the researchers many times.
| A．which; which | B．that; that | C．that; which | D．which; that |
The building around the corner caught fire last night．The police are now _______ the matter．
| A．getting through | B．working out | C．looking into | D．watching over |
Mr. Joe, principal of the school, advised that all the kids the burdens if they wanted to do better.
| A．carry out | B．put away | C．break down | D．get off |
Some students arenet surfing．which does great harm to their physical and mental health
| A．addicted to | B．related to | C．addicting to | D．relating to |
The society today offers the young generation more chances to their talent and skills．
| A．give out | B．take in | C．show off | D．carry on |
He sighed again and the failure in physics seemed to have completely his confidence．
| A．injured | B．destroyed | C．shocked． | D．attacked |