My son is only 12 years old, but he is ________ in our family. He grows so fast.
| A．tall | B．taller |
| C．tallest | D．the tallest |
The food on the plate bad. Throw it away.
| A．is smelt terrible | B．is smelt terribly | C．smells terribly | D．smells terrible |
--- When will you return to your hometown? ---__________.
| A．Not until the end of this month | B．Until next week |
| C．A few days ago | D．A few weeks before |
Only ________ of the students come to school by bus.
| A．three fifth | B．third fifths | C．three fifths | D．third fifth |
It is selfless ________ the doctor to devote all the time he had ________ for the patients.
| A．for; to care | B．of; to care | C．for; to caring | D．of; to caring |
--- is the school from your home, do you know?
--- About 30 minutes’ walk.
| A．How far | B．How long | C．How much | D．How soon |