The boy wanted to ride his bicycle in the street, but his mother told him _____.
| A．not to | B．not to do | C．not do it | D．do not to |
Shy people often avoid situations _________ require close contact with other people.
| A．that | B．what | C．when | D．where |
A plan has been put forward_______more graduates should go to work in the country
| A．when | B．that | C．whether | D．how |
Astronaut Zhai Zhigang has become the first Chinese_______in space.
| A．walking | B．walked | C．to have walked | D．to walk |
---- Are they coming to help us?
---- _______.
| A．I do so | B．I do hope | C．I hope they do | D．I hope so |
_______ some of the wine -- perhaps you will enjoy it.
| A．Trying | B．Try | C．To try | D．Have tried |