Laura wanted to play a joke on her father but gave herself________by laughing.
| A．out | B．away | C．off | D．up |
___ an important decision more on emotion than on reason, you will regret it sooner or later.
| A．Based | B．Basing | C．Base | D．To base |
I am sure that if it came to that point, he would do___ is expected of him.
| A．what | B．when | C．which | D．as |
Though these dresses are low in quality, they may ____to women who don’t want to spend much on clothes.
| A．refer | B．adjust | C．apply | D．appeal |
If ____unsolved, the problem of food safety may lead to more serious results.
| A．left | B．making | C．remained | D．taking |
Jack is late again. It is ____of him to keep others waiting.
| A．normal | B．ordinary | C．common | D．typical |