Pinetreesareusuallybelievedto_______coldweather.
A、guardWith the help of the government , a large number of people ---_______ after the flood in 1991.
ThecollegestudentsinChinaare_______fromsmokingoncampusbecausethiswilldothemnogood.
Students with _______ problems may apply for student loans.
I have not heard anything from him since his _______.
Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.
