He looked around and caught a man _______ his hand into the passenger's pocket．
A．put B．to be putting C．to put D．putting
– How cold it is! I wonder how grass survive under such heavy snow．
--Don’t worry．There is a lot of air in loose snow which _______．
A．keeps out the cold B．keeps the cold away
C．keep off the cold D．keep the cold up
As we all know, it takes ten years to grow trees but a hundred to rear people, which means it will be ________ one becomes a useful person．
A．before long B．long after C．after long D．long before
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
One of the best ways for people to keep fit is to ________ healthy eating habits．
A．grow B．develop C．increase D．raise
Christmas is ________ special holiday when ________ whole family are supposed to get together．
A．the ; the B．a; a C．the; a D．a; the
