A hard-working man _____ become a great scientist, but a great scientist _____ be a hard-working
man.
| A．can’t, can | B．may not, can |
| C．can’t, must | D．may not, must |
The Yellow River is the second in China.
| A．long | B．longer | C．longest | D．longer and longer |
Our city is becoming _________.
| A．more and most beautiful | B．more beautiful and more beautiful |
| C．more and more beautiful | D．beautiful and beautiful |
Li Xing’s illness(病) is very_____. You must take his illness ______.
| A．serious, seriously | B．serious, serious |
| C．seriously, seriously | D．seriously, serious |
—_____ do you water the flowers?—Twice a day.
| A．How many | B．How many times | C．How often | D．How soon |
I have only ten yuan with me, ___________ I can’t buy the expensive dictionary.
| A．thought | B．but | C．so | D．because |