It was very kind of you to do the washing up, but you _______ it.
| A．mustn't have done | B．wouldn't have done |
| C．mightn't have done | D．didn't have to do |
Afterin the new course reform for many years, the English teacher published over 30 books.
| A．buried | B．being buried |
| C．having buried | D．having been buried |
He said that his brother was the first _____ to the cinema.
| A． of getting | B． to get |
| C． got | D． getting |
The dog was so _____ to its master that it would not leave him, even when he was dead.
| A． devoted | B． mean |
| C． active | D． generous |
–English is becoming so important.
–It’s true. Many university classes are taught in English _____ the native language is not English.
| A． as if | B． what if |
| C． as long as | D． even though |
As he _____ in the river for five hours, the thief looked very pale and hopeless.
| A． trapped | B．has been trapped |
| C． trapping | D．had been trapped |