_______ with the size of the whole earth, the highest mountain does not seem high at all.
| A．Compare | B．Comparing |
| C．When compared | D．When comparing |
----- Stay a bit longer; it’s been such ________ fun having you with us.
-----Thanks, anyway. I’ve got ________ early start tomorrow morning.
| A．/, the | B．a, an | C．/, an | D．the, an |
Alice didn’t want her parents to know .
| A．what has she done | B．what was she doing |
| C．how she had done | D．what she was doing |
It took building supplies to construct these energy-saving houses. It took brains, too.
| A．other than | B．more than | C．rather than | D．less than |
The work was difficult, but Tom’s expression showed that he would finish it in time.
| A．stubborn | B．determined | C．concerned | D．surprised |
Every evening after dinner, if not from work, I will spend some time walking my dog.
| A．being tired | B．tiring | C．tired | D．to be tired |