_____ the city’s public school system should be open to the children of migrant workers has become the focus of discussion.
The advanced entire production process is paperless and much faster than that of ______ factories.
Her parents’ quarrelling with each other _________ is the main cause of her family’s breaking up.
Eco-environment Tayshaun has endeavored not to ________ on environmental protection during industrial development.
The virus Ebola is reported ______ over 3,000 lives in 5 countries of West Africa by now.
It is generally believed that communication skills are becoming ______ it takes to be a good doctor.