Wife and husband.
Teacher and student.
Clerk and guest.
Employer and employee.
第1题:
The gasket should be cleaned thoroughly with cold water.
Mild detergent and hot water can best clean the cooker.
Soapy water will often damage the cooker.
Sand can be used to clean the cooker.
第2题:
第3题:
第4题:
rarely
namely
really
naturally
第5题:
第6题:
第7题:
第8题:
One piece
Two pieces
Three pieces
Four pieces.
第9题:
第10题: