Thehousewasquietinthenight,________theoccasionalcoughingfrommythroat.
Inourdepartment,everystudent_________after-schoolactivities.
IntheGrammar-TranslationMethod,understandingandmemorizationof_____________wereregardedasimportantmeansofdevelopingmentality.
WhichofthefollowingisnotmentionedasWTO'sobjective?
Whichofthefollowingsentencesisthemostproper?______
