`2.` I spend an hour to do my home work every evening.
`3.` I am the fastest runner.
`4.` Does your school have a library?
`5.` What is your age?
`6.` Would you like a cup of tea?
`7.` I don’t work so hard as my sister does .
`8.` Is this the best refrigerator you have?
`9.` It is not easy to find an apartment in a big city.
`10.` There are often 28 days in February.