【简答题】in a way that happens regularly though not frequently 2.sth. important that must be done first or needs more attention than anything else 3.to start sth. again after stopping temporarily 4.an example,...
【简答题】to put sth. into a bag, box an aircraft that is a particular journey safety check of one’s luggage and body at the airport before boarding the plane souvenir, sth. that helps you remember a per...