单项选择题
There is still, ______ for improvement.
- A．the room
B．room
C．a room
D．rooms
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It is very difficult to give ______ smoking.
A．in
B．up
C．off
D．out -
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Many workers were thrown into ______ when the factory closed.
A．unemployment
B．debts
C．danger
D．failure -
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The football team ______ having baths and ______ then coming back here for tea.
A．is; is
B．are; is
C．is; are
D．are; are
