A hot balloon blew up in Egypt. There ________ something wrong with the quality of it.

--- ______ I take some photos in the hall ? ---No, you ________.

This basketball team had lots of excellent players, so its fans never expected that it ____ have failed in the final. 

 It __be the vocabulary that caused you the problem in the exercise because you know a lot of words.

– Amazing! You _____ have won the first prize in the national English speech contest!– I’m lucky that all my efforts have finally paid off.