The weather in the south is generally warm, but it________ be very cold sometimes.
| A．may | B．shall | C．will | D．can |
The sudents were silent as they saw the ___ look on their teacher’s face.
| A．fright | B．frightening | C．frightened | D．both B and C |
To make more of other people is ___ important thing in life in the world.
| A．the most | B．a most | C．almost | D．mostly |
Allen had to call a taxi because the box was ___ to carry all the way home.
| A．much too heavy | B．to mucg heavy | C．heavy too much | D．too heavy much |
--Ann acts quite unfriendly. ---I think she’s ___ than unfriendly.
| A．shyer | B．shy | C．rather shy | D．more shy |
He had never spent a ___ day.
| A．more worry | B．most worrying | C．more worrying | D．most worry |