The dead rate is _____ pigs and recovery usually ______ within 7-10 days. A low in; occurs B.rich in;happens C.high in; came about D.poor in;took place
Water, _______enough, can change into vapour quickly.
To tell the truth, I won’t go to the party_______.
The man stopped from time to time_______whether he was being followed.
Doctors have said that as many as 50% of patients don’t take medicine_______.
You may take them all home_______.