In the past we lost many chances, _______ we paid little attention.
—Did you have a good time in Tai'an last week? —________________, it was too cold.
The patient is not out of danger. He is ________ than he was yesterday.
.It is suggested that the students’ homework _______ in time.
John knows so much about stars that I am sure it would be impossible to find someone who is ___ to him.
The reason why she had a headache was _______ she had been reading for too long.