It’s obvious that her refusing to see a doctor has ______ her illness worsening.
. ________ the absence of any further evidence the police were unable to solve the murder.
. . The chair looks rather hard, but believe it or not, it is very comfortable _____.
. It was _____ his mother came in _____ to prepare his lessons.
. _______ has already been pointed out, grammar is not a set of dead rules.
. You should try to _____ new circumstances as quickly as you can