. Many new workers _______ and in six month they will be sent to build a new railway.
| A．are being trained | B．are training | C．will train | D．will be trained |
.More than one worker ______ dismissed.
| A．have been | B．are | C．has been | D．Has |
.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 |