We can go on Tuesday or Friday， __________you prefer.
| A．whenever | B．however |
| C．whatever | D．whichever |
The air quality in this city,_______ is shown in the report, has improved over the past two months.
| A．that |
| B．it |
| C．as |
| D．what |
______ I explained on the phone, your request will be considered at the next meeting.
| A．When |
| B．After |
| C．As |
| D．Since |
The Beatles, ______ many of you are old enough to remember, came from Liverpool.
| A．what |
| B．that |
| C．how |
| D．as |
This is the mountain ______ the top is always covered with snow.
| A．of what |
| B．of which |
| C．whose |
| D．that |
The boy ______ composition won the first prize is the youngest in the group.
| A．who |
| B．which |
| C．what |
| D．whose |