Harry and his brother promised to work harder, .
| A．do they | B．don’t they | C．did they | D．didn’t they |
Every year, _____ people die from illness caused by smoking．
| A．millions of | B．million of | C．millions | D．million |
Alice is a little ______ than her twin sister.
| A．tall | B．taller | C．tallest | D．the tallest |
His boring speech made most of us _______ asleep．
| A．fall | B．fell | C．falling | D．to fall |
Will he come back to school tomorrow? I hope _____.
| A．that | B．this | C．so | D．it |
The students encouraged _____ to go on.
| A．one after another | B．one another | C．the other | D．one by one |