Question

動詞應用(必要時可加助動詞或情態(tài)動詞)。

    Once there lived an old man in a town. He always 1           (forget) a lot of things. So his wife always
had 2           (say) to him, "3           (not forget) this." 
    One day, he went on a long trip alone. Before he left home, his wife said, "Now you 4           (have) all
these things. They are what you 5           (need) for your trip.            (take) care of your things during the
trip." He went to the station. He bought a ticket and got on the train with it.
    About an hour later, the conductor began 7           (check) the tickets. He came to the old man and said,
"Will you please show me your ticket?" The old man looked for his ticket in all his pockets, but he 8          
(not find) it. He was very worried. "I can't find my ticket. I really bought a ticket before I got on the train,"
said the old man. 
    "I think you are right. I believe you 9          (buy) a ticket," said the conductor kindly. But the old man
still looked worried and said sadly, "You don't know why I am worried. If I don't find my ticket, I 10         
(not remember) my station. Where am I going?"

Answer 1

1. forgot  2. to say  3. Don't forget  4. must/should have  5. (will) need
6. Take  7. to check/checking  8. couldn't find  9. bought/have bought  10. won't/can't remember