1．Christmas is ________ special holiday when ________ whole family are supposed to get together．
A．the ; the B．a; a C．the; a D．a; the
2．One of the best ways for people to keep fit is to ________ healthy eating habits．
A．grow B．develop C．increase D．raise
3．Busy _______ she is, Rita ______ two hours every Sunday afternoon to spend with her son．
A．though, sets out B．as, sets aside
C．as, sets down D．though, sets off
