Q: If Mighty big man wore it once. Drew was still half in the past., can we say that " No one had ever worn it."?

A: no

Q: If He replaced the white sharp smile with a black ball of lead., can we say that "He shot at the man. "?

A: yes

Q: If you need metal instead of plastic, can we say that "Metal is better than plastic for your purpose."?

A: it is not possible to tell

Q: If Studies of implementation of screening programs in ED clinical practice should be undertaken., can we say that "Screening programs in ED clinical practice should be undertaken."?

A:
yes