Miss Read is in Tokyo at the moment.She will come back ________ next week.

Only when _____ how important it is to master English.[ ]

21． More than one high official_____by the police since the mayor warshot dead.

Where is our English teacher?—She is in the classroom, ________ the exercises _________ the students have done at home.

The very sight of the _____ buildings assured these tourists of the significant changes in this city.