______ is no need for primary students to work at their desks all the long.
| A．There | B．What | C．It | D．That |
The two astronauts said they would never forget the days ____they worked together in the Spaceship and the days ______．they spent together．
| A．which;when |
| B．when;Which |
| C．what;that |
| D．on which;when |
Alex asked the policeman_______ he worked to contact him Whenever there was an accident.
| A．with him |
| B．with whom |
| C．who |
| D．whom |
I will never forget the day _______ I joined theLeague.
| A．which |
| B．that |
| C．on which |
| D．where |
Last week, only two people came to look at the house, ________ wanted to buy it.
| A．none of them |
| B．both of them |
| C．none of whom |
| D．neither of whom |
The other day I bought a vase, _______ was very reasonable.
| A．the price of whose |
| B．its price |
| C．which price |
| D．the price of which |