“Thanks” is a(n) _______ commonly used to express one’s gratitude to someone for something he has done for you.
| A．word | B．idiom | C．expression | D．phrase |
The speaker raised his voice but still couldn’t make himself _____.
| A．hear | B．to hear | C．heard | D．to be heard |
Theme parks try to make sure that visitors leave _____ more about their theme.
| A．to know | B．knowing | C．know | D．known |
Mother _____ us stories when we were young. 
| A．was used to tell | B．is used to telling | C．used to tell | D．used to telling |
The book was so _____ that I couldn’t help laughing from beginning to end.
| A．amused | B．bored | C．amusing | D．boring |
It was because his father was ill _____ he did not go to work. 
| A．so | B．that | C．what | D．why |