________ times do you visit your grandparents every year— Three or four times a year. Usually at Mid-Autumn festival and Spring Festival.

How many students are there in each group — Usually each group _______ six students in our class.

_____, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor.

His failing in the exam ________ us because he was al­ways an outstanding student.

________that the woman could leave her baby with it when going out to attend to other matters. [ ]