I love my hometown and I _______ here for 15 years.

Did Linda see the traffic accident? -No, no sooner ______than it happened.

______ does your brother go online?—Three times a week.[ ]

___ _the population of China?–_______over 1,300,000,000.

In our class some students are too shy to __________ our hands when the teachers ask us to answer questions.