--- Do you know Uncle Tom is crazy about gardening?
---Sure. He ____ his flowers in the garden now.
| A．may be watering | B．must be watering |
| C．could look after | D．ought to watch |
This watch is _____ to all the other watches on the market.
| A．superior | B．advantageous | C．super | D．beneficial |
Arrogance and pride are similar in meaning, but there is _____ difference between them.
| A．a submerged | B．an indecisive | C．an indistinct | D．a subtle |
He didn't _____ what I read because his mind was on something else.
| A．hold on | B．catch on | C．take in | D．get over |
Scientists have to work hard to keep _____ with modern discoveries and developments.
| A．company | B．track | C．touch | D．pace |
She _____ the temptation to buy a coat she could not afford.
| A．challenged | B．obstructed | C．contradicted | D．resisted |