The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.(2011·江苏)
| A．suggest | B．suggests | C．suggested | D．suggesting |
.Many a student ______ the importance of learning a foreign language.
| A．have realized | B．has realize | C．have been realized | D．has been realized |
.The gas works ______ near the city.
| A．is | B．are | C．were | D．Be |
.The surroundings of his house ______ clean now.
| A．is | B．are | C．was | D．Were |
.The committee ______ over the problem among themselves for two hours.
| A．has argued | B．has been arguing | C．have argued | D．have been arguing |
.The public ______ generous in their contributions to the earthquake victims.
| A．is | B．was | C．are | D．has been |