A．The fresh air in the country is helpful to health．
B．People can only feel relaxed when in the country．
C．She has no time to go to the country．
D．She is not willing to spend the weekend in the country．

A．Find another place to live．
B．Sell his apartment to someone else．
C．Start looking for some place to live near the campus．
D．Come back to the campus．

A．Because he twisted his ankle the night before．
B．Because the battery in his alarm clock had run out of electricity．
C．Because his mother forgot to wake him up．
D．Because he didn’t hear the alarm clock．