It is still under discussion __________the old bus station should be replaced with a modern hotel or not.
| A．whether | B．when | C．which | D．where |
Most of the mistakes because of carelessness.
| A．were made | B．are made | C．has been made | D．were making |
Our family a happy one.
| A．is | B．are | C．was | D．were |
The boy sitting by the window is the only one of the students who from the countryside in our school.
| A．are | B．is | C．were | D．was |
More than one answer to the question.
| A．have been given | B．has been given | C．were given | D．had given |
The students in our school each an English dictionary.
| A．have | B．has | C．had | D．are having |