The Chinese government has made the Mid-Autumn Festival a legal holiday,____ people will have a day off．
| A．when | B．which | C．where | D．what |
They think the room is________, but as a matter of fact it is already occupied.
| A．vacant | B．bare | C．blank | D．hollow |
It is common knowledge that washing wool in hot water will make it________.
| A．change | B．shrink | C．slim | D．dissolve |
—Can you help me with this question, Tom?
—Sorry, it is beyond my________.
| A．power | B．strength | C．force | D．energy |
Air is________and of no smell but we can feel its motion when there is a wind.
| A．unavoidable | B．unavailable | C．unaccessible | D．invisible |
Mountain climbing must be very tiring, ________,you might feel sick with the air getting thinner.
| A．In addition | B．In turn | C．In return | D．In case |