Because of the heavy traffic,it was already time for lunch break______she got to her office.
Some insects________the colour of their surroundings to protect themselves.
There is a shortage of teachers in Western China, and it will fall on the 80s and 90s generations to this responsibility.
Only when he reached the tea-house ______it was the same place he’d been in last year.
Only when he told me________what trouble he was in.
He has decided to settle ____in France because he is fond of the romantic country.