—I’m sorry, but there’s no smoking in this section on the train.
—Oh, I ______ that, and I won’t again.
| A．don’t know | B．didn’t know | C．won’t know | D．haven’t known |
"Every time you eat a sweet, drink green tea."This ismy mother used to tell me.
| A． | what | B． | how | C． | that | D． | whether |
Last week a tennis ball hit me on the head, but I tried to _______ the pain, believing that it would go away sooner or later.
| A．share | B．realize | C．ignore | D．cause |
We most prefer to say yes to the of someone we know and like.
| A． | attempts | B． | requests | C． | doubts | D． | promises |
I don’t become a serious climber until the fifth grade, ______ I went up to rescue a kite that was stuck in the branches of a tree.
| A．when | B．where | C．which | D．why |
Joe is proud and ______, never admitting he is wrong and always looking for someone else to blame.
| A．strict | B．sympathetic | C．stubborn | D．sensitive |