He turns a deaf ear to his parents, _____ many times they have pointed out his weakness

Chairperson Xi asks us _________ strict economy (厉行节约) in our daily life.

It ___________last night, for the ground is wet outside.

The questionnaire takes _____ten to fifteen minutes to complete and can be used along with the assessmentinterview [ ]

Fire is dangerous and we must __________children away _________ it.