We have realised that ____ is much that can be done to help improve our environment.
| A．what | B．it | C．there | D．one |
It’s said that an American often starts a speech with a joke, _______ a Japanese seldom does.
| A．as | B．when | C．while | D．though |
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 |
As a punishment she was not permitted______part in any school activity in a week.
| A．taking | B．to take | C．take | D．to be taking |
A lot of small towns in Nanchong are definitely worth_____.
| A．visiting | B．visited | C．to be visited | D．being visited |
Mary’s red face suggested that she_______shy, and her friends suggested that she______a deep breath.
| A．be; should take | B．was, take | C．should be; took | D．was; takes |