His family, which _______ rather a large one, ______very fond of their old house.
| A．were, were | B．was, were | C．were, was | D．was, was |
He made another wonderful discovery, _______ of great importance to science.
| A．which I think | B．which I think it | C．which I think is | D．I think which is |
These kinds of shoes ________ well.
| A．were not sold | B．won't be sold | C．are not sold | D．don't sell |
In April, 2009, President Hu inspected the warships in Qingdao, ________ the 60th anniversary of the founding of the PLA Navy.
| A．marking | B．marked | C．having marked | D．being marked |
He is constantly ________ not to do that, but he still goes on doing it all the same.
| A．telling | B．being told | C．told | D．to tell |
There were lots of people standing watching, yet no one of them ________.
| A．offered to help | B．offered helping | C．was offered to help | D．was offering help |