—______ your brother Daniel in Class 1, Grade 7 ? –No, he’s in Class 2.

I took mathematics and physics because I think that ________ very important for me to make further research in this field.

_______ of the teachers in our school is 118 and _________ of them are women teachers.

________ children whose parents had died in the earthquake ________ sent to other families.

A number of students        trees every year and the number of them        increasing.